81778125

素因数分解:

$3^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 162739584

約数和(自身を除く): 80961459

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 61, 65, 75, 125, 143, 165, 183, 195, 275, 305, 325, 375, 429, 625, 671, 715, 793, 825, 915, 975, 1375, 1525, 1625, 1875, 2013, 2145, 2379, 3125, 3355, 3575, 3965, 4125, 4575, 4875, 6875, 7625, 8125, 8723, 9375, 10065, 10725, 11895, 16775, 17875, 19825, 20625, 22875, 24375, 26169, 34375, 38125, 40625, 43615, 50325, 53625, 59475, 83875, 89375, 99125, 103125, 114375, 121875, 130845, 190625, 218075, 251625, 268125, 297375, 419375, 446875, 495625, 571875, 654225, 1090375, 1258125, 1340625, 1486875, 2096875, 2478125, 3271125, 5451875, 6290625, 7434375, 16355625, 27259375, 81778125]

約数ペア:

[(1, 81778125), (3, 27259375), (5, 16355625), (11, 7434375), (13, 6290625), (15, 5451875), (25, 3271125), (33, 2478125), (39, 2096875), (55, 1486875), (61, 1340625), (65, 1258125), (75, 1090375), (125, 654225), (143, 571875), (165, 495625), (183, 446875), (195, 419375), (275, 297375), (305, 268125), (325, 251625), (375, 218075), (429, 190625), (625, 130845), (671, 121875), (715, 114375), (793, 103125), (825, 99125), (915, 89375), (975, 83875), (1375, 59475), (1525, 53625), (1625, 50325), (1875, 43615), (2013, 40625), (2145, 38125), (2379, 34375), (3125, 26169), (3355, 24375), (3575, 22875), (3965, 20625), (4125, 19825), (4575, 17875), (4875, 16775), (6875, 11895), (7625, 10725), (8125, 10065), (8723, 9375)]