30685779

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1291}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 47028800

約数和(自身を除く): 16343021

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 1251, 1291, 2641, 3873, 7923, 11619, 23769, 24529, 73587, 179449, 220761, 538347, 1615041, 3409531, 10228593, 30685779]

約数ペア:

[(1, 30685779), (3, 10228593), (9, 3409531), (19, 1615041), (57, 538347), (139, 220761), (171, 179449), (417, 73587), (1251, 24529), (1291, 23769), (2641, 11619), (3873, 7923)]