12777975

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 108

約数和(自身を含む): 28484040

約数和(自身を除く): 15706065

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 49, 57, 61, 63, 75, 95, 105, 133, 147, 171, 175, 183, 225, 245, 285, 305, 315, 399, 427, 441, 475, 525, 549, 665, 735, 855, 915, 931, 1159, 1197, 1225, 1281, 1425, 1525, 1575, 1995, 2135, 2205, 2745, 2793, 2989, 3325, 3477, 3675, 3843, 4275, 4575, 4655, 5795, 5985, 6405, 8113, 8379, 8967, 9975, 10431, 10675, 11025, 13725, 13965, 14945, 17385, 19215, 23275, 24339, 26901, 28975, 29925, 32025, 40565, 41895, 44835, 52155, 56791, 69825, 73017, 74725, 86925, 96075, 121695, 134505, 170373, 202825, 209475, 224175, 260775, 283955, 365085, 511119, 608475, 672525, 851865, 1419775, 1825425, 2555595, 4259325, 12777975]

約数ペア:

[(1, 12777975), (3, 4259325), (5, 2555595), (7, 1825425), (9, 1419775), (15, 851865), (19, 672525), (21, 608475), (25, 511119), (35, 365085), (45, 283955), (49, 260775), (57, 224175), (61, 209475), (63, 202825), (75, 170373), (95, 134505), (105, 121695), (133, 96075), (147, 86925), (171, 74725), (175, 73017), (183, 69825), (225, 56791), (245, 52155), (285, 44835), (305, 41895), (315, 40565), (399, 32025), (427, 29925), (441, 28975), (475, 26901), (525, 24339), (549, 23275), (665, 19215), (735, 17385), (855, 14945), (915, 13965), (931, 13725), (1159, 11025), (1197, 10675), (1225, 10431), (1281, 9975), (1425, 8967), (1525, 8379), (1575, 8113), (1995, 6405), (2135, 5985), (2205, 5795), (2745, 4655), (2793, 4575), (2989, 4275), (3325, 3843), (3477, 3675)]