90021255

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{467}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 147184128

約数和(自身を除く): 57162873

約数列:

[1, 3, 5, 15, 71, 181, 213, 355, 467, 543, 905, 1065, 1401, 2335, 2715, 7005, 12851, 33157, 38553, 64255, 84527, 99471, 165785, 192765, 253581, 422635, 497355, 1267905, 6001417, 18004251, 30007085, 90021255]

約数ペア:

[(1, 90021255), (3, 30007085), (5, 18004251), (15, 6001417), (71, 1267905), (181, 497355), (213, 422635), (355, 253581), (467, 192765), (543, 165785), (905, 99471), (1065, 84527), (1401, 64255), (2335, 38553), (2715, 33157), (7005, 12851)]