61231875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 60

約数和(自身を含む): 109333752

約数和(自身を除く): 48101877

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 113, 125, 255, 289, 339, 375, 425, 565, 625, 867, 1275, 1445, 1695, 1875, 1921, 2125, 2825, 4335, 5763, 6375, 7225, 8475, 9605, 10625, 14125, 21675, 28815, 31875, 32657, 36125, 42375, 48025, 70625, 97971, 108375, 144075, 163285, 180625, 211875, 240125, 489855, 541875, 720375, 816425, 1200625, 2449275, 3601875, 4082125, 12246375, 20410625, 61231875]

約数ペア:

[(1, 61231875), (3, 20410625), (5, 12246375), (15, 4082125), (17, 3601875), (25, 2449275), (51, 1200625), (75, 816425), (85, 720375), (113, 541875), (125, 489855), (255, 240125), (289, 211875), (339, 180625), (375, 163285), (425, 144075), (565, 108375), (625, 97971), (867, 70625), (1275, 48025), (1445, 42375), (1695, 36125), (1875, 32657), (1921, 31875), (2125, 28815), (2825, 21675), (4335, 14125), (5763, 10625), (6375, 9605), (7225, 8475)]