90405029

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{4421}}^1$

素因数の和:4469

約数の個数: 18

約数和(自身を含む): 107627058

約数和(自身を除く): 17222029

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 4421, 20449, 48631, 57473, 534941, 632203, 747149, 6954233, 8218639, 90405029]

約数ペア:

[(1, 90405029), (11, 8218639), (13, 6954233), (121, 747149), (143, 632203), (169, 534941), (1573, 57473), (1859, 48631), (4421, 20449)]