63125625

素因数分解:

$3^1\times 5^4\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 106390944

約数和(自身を除く): 43265319

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 257, 375, 393, 625, 655, 771, 1285, 1875, 1965, 3275, 3855, 6425, 9825, 16375, 19275, 32125, 33667, 49125, 81875, 96375, 101001, 160625, 168335, 245625, 481875, 505005, 841675, 2525025, 4208375, 12625125, 21041875, 63125625]

約数ペア:

[(1, 63125625), (3, 21041875), (5, 12625125), (15, 4208375), (25, 2525025), (75, 841675), (125, 505005), (131, 481875), (257, 245625), (375, 168335), (393, 160625), (625, 101001), (655, 96375), (771, 81875), (1285, 49125), (1875, 33667), (1965, 32125), (3275, 19275), (3855, 16375), (6425, 9825)]