2491125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 5171712

約数和(自身を除く): 2680587

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 73, 75, 91, 105, 125, 175, 195, 219, 273, 325, 365, 375, 455, 511, 525, 875, 949, 975, 1095, 1365, 1533, 1625, 1825, 2275, 2555, 2625, 2847, 4745, 4875, 5475, 6643, 6825, 7665, 9125, 11375, 12775, 14235, 19929, 23725, 27375, 33215, 34125, 38325, 63875, 71175, 99645, 118625, 166075, 191625, 355875, 498225, 830375, 2491125]

約数ペア:

[(1, 2491125), (3, 830375), (5, 498225), (7, 355875), (13, 191625), (15, 166075), (21, 118625), (25, 99645), (35, 71175), (39, 63875), (65, 38325), (73, 34125), (75, 33215), (91, 27375), (105, 23725), (125, 19929), (175, 14235), (195, 12775), (219, 11375), (273, 9125), (325, 7665), (365, 6825), (375, 6643), (455, 5475), (511, 4875), (525, 4745), (875, 2847), (949, 2625), (975, 2555), (1095, 2275), (1365, 1825), (1533, 1625)]