18291255339

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21244199}}^1$

素因数の和:21244250

約数の個数: 16

約数和(自身を含む): 28552204800

約数和(自身を除く): 10260949461

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21244199, 63732597, 148709393, 446128179, 871012159, 2613036477, 6097085113, 18291255339]

約数ペア:

[(1, 18291255339), (3, 6097085113), (7, 2613036477), (21, 871012159), (41, 446128179), (123, 148709393), (287, 63732597), (861, 21244199)]