13231491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2851}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 22998528

約数和(自身を除く): 9767037

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 2851, 4641, 8553, 19957, 37063, 48467, 59871, 111189, 145401, 259441, 339269, 630071, 778323, 1017807, 1890213, 4410497, 13231491]

約数ペア:

[(1, 13231491), (3, 4410497), (7, 1890213), (13, 1017807), (17, 778323), (21, 630071), (39, 339269), (51, 259441), (91, 145401), (119, 111189), (221, 59871), (273, 48467), (357, 37063), (663, 19957), (1547, 8553), (2851, 4641)]