64475625

素因数分解:

$3^1\times 5^4\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 108640224

約数和(自身を除く): 44164599

約数列:

[1, 3, 5, 15, 25, 75, 125, 137, 251, 375, 411, 625, 685, 753, 1255, 1875, 2055, 3425, 3765, 6275, 10275, 17125, 18825, 31375, 34387, 51375, 85625, 94125, 103161, 156875, 171935, 256875, 470625, 515805, 859675, 2579025, 4298375, 12895125, 21491875, 64475625]

約数ペア:

[(1, 64475625), (3, 21491875), (5, 12895125), (15, 4298375), (25, 2579025), (75, 859675), (125, 515805), (137, 470625), (251, 256875), (375, 171935), (411, 156875), (625, 103161), (685, 94125), (753, 85625), (1255, 51375), (1875, 34387), (2055, 31375), (3425, 18825), (3765, 17125), (6275, 10275)]