726668541

素因数分解:

$3^2\times {\mathrm{227}}^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 1058076864

約数和(自身を除く): 331408323

約数列:

[1, 3, 9, 227, 401, 681, 887, 1203, 2043, 2661, 3609, 7983, 91027, 201349, 273081, 355687, 604047, 819243, 1067061, 1812141, 3201183, 80740949, 242222847, 726668541]

約数ペア:

[(1, 726668541), (3, 242222847), (9, 80740949), (227, 3201183), (401, 1812141), (681, 1067061), (887, 819243), (1203, 604047), (2043, 355687), (2661, 273081), (3609, 201349), (7983, 91027)]