2881125

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 5621616

約数和(自身を除く): 2740491

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 197, 225, 325, 375, 585, 591, 975, 985, 1125, 1625, 1773, 2561, 2925, 2955, 4875, 4925, 7683, 8865, 12805, 14625, 14775, 23049, 24625, 38415, 44325, 64025, 73875, 115245, 192075, 221625, 320125, 576225, 960375, 2881125]

約数ペア:

[(1, 2881125), (3, 960375), (5, 576225), (9, 320125), (13, 221625), (15, 192075), (25, 115245), (39, 73875), (45, 64025), (65, 44325), (75, 38415), (117, 24625), (125, 23049), (195, 14775), (197, 14625), (225, 12805), (325, 8865), (375, 7683), (585, 4925), (591, 4875), (975, 2955), (985, 2925), (1125, 2561), (1625, 1773)]