38992419

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 57657600

約数和(自身を除く): 18665181

約数列:

[1, 3, 9, 71, 139, 213, 417, 439, 639, 1251, 1317, 3951, 9869, 29607, 31169, 61021, 88821, 93507, 183063, 280521, 549189, 4332491, 12997473, 38992419]

約数ペア:

[(1, 38992419), (3, 12997473), (9, 4332491), (71, 549189), (139, 280521), (213, 183063), (417, 93507), (439, 88821), (639, 61021), (1251, 31169), (1317, 29607), (3951, 9869)]