219028901

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{10891}}^1$

素因数の和:10941

約数の個数: 24

約数和(自身を含む): 287025984

約数和(自身を除く): 67997083

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 1183, 1547, 2873, 10891, 20111, 76237, 141583, 185147, 991081, 1296029, 1840579, 2406911, 12884053, 16848377, 31289843, 219028901]

約数ペア:

[(1, 219028901), (7, 31289843), (13, 16848377), (17, 12884053), (91, 2406911), (119, 1840579), (169, 1296029), (221, 991081), (1183, 185147), (1547, 141583), (2873, 76237), (10891, 20111)]