6821325

素因数分解:

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

素因数の和:155

約数の個数: 72

約数和(自身を含む): 14391936

約数和(自身を除く): 7570611

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 71, 75, 105, 175, 183, 213, 225, 305, 315, 355, 427, 497, 525, 549, 639, 915, 1065, 1281, 1491, 1525, 1575, 1775, 2135, 2485, 2745, 3195, 3843, 4331, 4473, 4575, 5325, 6405, 7455, 10675, 12425, 12993, 13725, 15975, 19215, 21655, 22365, 30317, 32025, 37275, 38979, 64965, 90951, 96075, 108275, 111825, 151585, 194895, 272853, 324825, 454755, 757925, 974475, 1364265, 2273775, 6821325]

約数ペア:

[(1, 6821325), (3, 2273775), (5, 1364265), (7, 974475), (9, 757925), (15, 454755), (21, 324825), (25, 272853), (35, 194895), (45, 151585), (61, 111825), (63, 108275), (71, 96075), (75, 90951), (105, 64965), (175, 38979), (183, 37275), (213, 32025), (225, 30317), (305, 22365), (315, 21655), (355, 19215), (427, 15975), (497, 13725), (525, 12993), (549, 12425), (639, 10675), (915, 7455), (1065, 6405), (1281, 5325), (1491, 4575), (1525, 4473), (1575, 4331), (1775, 3843), (2135, 3195), (2485, 2745)]