51218375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 70534464

約数和(自身を除く): 19316089

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 325, 559, 733, 1075, 1625, 2795, 3665, 5375, 9529, 13975, 18325, 31519, 47645, 69875, 91625, 157595, 238225, 409747, 787975, 1191125, 2048735, 3939875, 10243675, 51218375]

約数ペア:

[(1, 51218375), (5, 10243675), (13, 3939875), (25, 2048735), (43, 1191125), (65, 787975), (125, 409747), (215, 238225), (325, 157595), (559, 91625), (733, 69875), (1075, 47645), (1625, 31519), (2795, 18325), (3665, 13975), (5375, 9529)]