215945457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{791009}}^1$

素因数の和:791032

約数の個数: 16

約数和(自身を含む): 354372480

約数和(自身を除く): 138427023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 791009, 2373027, 5537063, 10283117, 16611189, 30849351, 71981819, 215945457]

約数ペア:

[(1, 215945457), (3, 71981819), (7, 30849351), (13, 16611189), (21, 10283117), (39, 5537063), (91, 2373027), (273, 791009)]