220141875

素因数分解:

$3^1\times 5^4\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 369894096

約数和(自身を除く): 149752221

約数列:

[1, 3, 5, 15, 25, 75, 125, 137, 375, 411, 625, 685, 857, 1875, 2055, 2571, 3425, 4285, 10275, 12855, 17125, 21425, 51375, 64275, 85625, 107125, 117409, 256875, 321375, 352227, 535625, 587045, 1606875, 1761135, 2935225, 8805675, 14676125, 44028375, 73380625, 220141875]

約数ペア:

[(1, 220141875), (3, 73380625), (5, 44028375), (15, 14676125), (25, 8805675), (75, 2935225), (125, 1761135), (137, 1606875), (375, 587045), (411, 535625), (625, 352227), (685, 321375), (857, 256875), (1875, 117409), (2055, 107125), (2571, 85625), (3425, 64275), (4285, 51375), (10275, 21425), (12855, 17125)]