2121432075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 4490284032

約数和(自身を除く): 2368851957

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 71, 75, 105, 175, 183, 213, 225, 305, 311, 315, 355, 427, 497, 525, 549, 639, 915, 933, 1065, 1281, 1491, 1525, 1555, 1575, 1775, 2135, 2177, 2485, 2745, 2799, 3195, 3843, 4331, 4473, 4575, 4665, 5325, 6405, 6531, 7455, 7775, 10675, 10885, 12425, 12993, 13725, 13995, 15975, 18971, 19215, 19593, 21655, 22081, 22365, 23325, 30317, 32025, 32655, 37275, 38979, 54425, 56913, 64965, 66243, 69975, 90951, 94855, 96075, 97965, 108275, 110405, 111825, 132797, 151585, 154567, 163275, 170739, 194895, 198729, 272853, 284565, 324825, 331215, 398391, 454755, 463701, 474275, 489825, 552025, 663985, 757925, 772835, 853695, 974475, 993645, 1195173, 1346941, 1364265, 1391103, 1422825, 1656075, 1991955, 2273775, 2318505, 3319925, 3864175, 4040823, 4268475, 4968225, 5975865, 6734705, 6821325, 6955515, 9428587, 9959775, 11592525, 12122469, 20204115, 28285761, 29879325, 33673525, 34777575, 47142935, 60612345, 84857283, 101020575, 141428805, 235714675, 303061725, 424286415, 707144025, 2121432075]

約数ペア:

[(1, 2121432075), (3, 707144025), (5, 424286415), (7, 303061725), (9, 235714675), (15, 141428805), (21, 101020575), (25, 84857283), (35, 60612345), (45, 47142935), (61, 34777575), (63, 33673525), (71, 29879325), (75, 28285761), (105, 20204115), (175, 12122469), (183, 11592525), (213, 9959775), (225, 9428587), (305, 6955515), (311, 6821325), (315, 6734705), (355, 5975865), (427, 4968225), (497, 4268475), (525, 4040823), (549, 3864175), (639, 3319925), (915, 2318505), (933, 2273775), (1065, 1991955), (1281, 1656075), (1491, 1422825), (1525, 1391103), (1555, 1364265), (1575, 1346941), (1775, 1195173), (2135, 993645), (2177, 974475), (2485, 853695), (2745, 772835), (2799, 757925), (3195, 663985), (3843, 552025), (4331, 489825), (4473, 474275), (4575, 463701), (4665, 454755), (5325, 398391), (6405, 331215), (6531, 324825), (7455, 284565), (7775, 272853), (10675, 198729), (10885, 194895), (12425, 170739), (12993, 163275), (13725, 154567), (13995, 151585), (15975, 132797), (18971, 111825), (19215, 110405), (19593, 108275), (21655, 97965), (22081, 96075), (22365, 94855), (23325, 90951), (30317, 69975), (32025, 66243), (32655, 64965), (37275, 56913), (38979, 54425)]