213573601

素因数分解:

${\mathrm{17}}^2\times {\mathrm{31}}^2\times {\mathrm{769}}^1$

素因数の和:865

約数の個数: 18

約数和(自身を含む): 234735270

約数和(自身を除く): 21161669

約数列:

[1, 17, 31, 289, 527, 769, 961, 8959, 13073, 16337, 23839, 222241, 277729, 405263, 739009, 6889471, 12563153, 213573601]

約数ペア:

[(1, 213573601), (17, 12563153), (31, 6889471), (289, 739009), (527, 405263), (769, 277729), (961, 222241), (8959, 23839), (13073, 16337)]