201531775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{587}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 258983424

約数和(自身を除く): 57451649

約数列:

[1, 5, 25, 31, 155, 443, 587, 775, 2215, 2935, 11075, 13733, 14675, 18197, 68665, 90985, 260041, 343325, 454925, 1300205, 6501025, 8061271, 40306355, 201531775]

約数ペア:

[(1, 201531775), (5, 40306355), (25, 8061271), (31, 6501025), (155, 1300205), (443, 454925), (587, 343325), (775, 260041), (2215, 90985), (2935, 68665), (11075, 18197), (13733, 14675)]