17872491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3851}}^1$

素因数の和:3891

約数の個数: 32

約数和(自身を含む): 31062528

約数和(自身を除く): 13190037

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 3851, 4641, 11553, 26957, 50063, 65467, 80871, 150189, 196401, 350441, 458269, 851071, 1051323, 1374807, 2553213, 5957497, 17872491]

約数ペア:

[(1, 17872491), (3, 5957497), (7, 2553213), (13, 1374807), (17, 1051323), (21, 851071), (39, 458269), (51, 350441), (91, 196401), (119, 150189), (221, 80871), (273, 65467), (357, 50063), (663, 26957), (1547, 11553), (3851, 4641)]