201921155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{28621}}^1$

素因数の和:28726

約数の個数: 16

約数和(自身を含む): 259658784

約数和(自身を除く): 57737629

約数列:

[1, 5, 17, 83, 85, 415, 1411, 7055, 28621, 143105, 486557, 2375543, 2432785, 11877715, 40384231, 201921155]

約数ペア:

[(1, 201921155), (5, 40384231), (17, 11877715), (83, 2432785), (85, 2375543), (415, 486557), (1411, 143105), (7055, 28621)]