217871225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{60943}}^1$

素因数の和:60977

約数の個数: 24

約数和(自身を含む): 317396352

約数和(自身を除く): 99525127

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 60943, 304715, 670373, 792259, 1523575, 3351865, 3961295, 8714849, 16759325, 19806475, 43574245, 217871225]

約数ペア:

[(1, 217871225), (5, 43574245), (11, 19806475), (13, 16759325), (25, 8714849), (55, 3961295), (65, 3351865), (143, 1523575), (275, 792259), (325, 670373), (715, 304715), (3575, 60943)]