17768621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 21718368

約数和(自身を除く): 3949747

約数列:

[1, 13, 17, 37, 41, 53, 221, 481, 533, 629, 689, 697, 901, 1517, 1961, 2173, 8177, 9061, 11713, 19721, 25493, 25789, 28249, 33337, 36941, 80401, 335257, 433381, 480233, 1045213, 1366817, 17768621]

約数ペア:

[(1, 17768621), (13, 1366817), (17, 1045213), (37, 480233), (41, 433381), (53, 335257), (221, 80401), (481, 36941), (533, 33337), (629, 28249), (689, 25789), (697, 25493), (901, 19721), (1517, 11713), (1961, 9061), (2173, 8177)]