2548125

素因数分解:

$3^3\times 5^4\times {\mathrm{151}}^1$

素因数の和:180

約数の個数: 40

約数和(自身を含む): 4748480

約数和(自身を除く): 2200355

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 151, 225, 375, 453, 625, 675, 755, 1125, 1359, 1875, 2265, 3375, 3775, 4077, 5625, 6795, 11325, 16875, 18875, 20385, 33975, 56625, 94375, 101925, 169875, 283125, 509625, 849375, 2548125]

約数ペア:

[(1, 2548125), (3, 849375), (5, 509625), (9, 283125), (15, 169875), (25, 101925), (27, 94375), (45, 56625), (75, 33975), (125, 20385), (135, 18875), (151, 16875), (225, 11325), (375, 6795), (453, 5625), (625, 4077), (675, 3775), (755, 3375), (1125, 2265), (1359, 1875)]