289040031

素因数分解:

$3^2\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{3727}}^1$

素因数の和:4971

約数の個数: 24

約数和(自身を含む): 477661184

約数和(自身を除く): 188621153

約数列:

[1, 3, 7, 9, 21, 63, 1231, 3693, 3727, 8617, 11079, 11181, 25851, 26089, 33543, 77553, 78267, 234801, 4587937, 13763811, 32115559, 41291433, 96346677, 289040031]

約数ペア:

[(1, 289040031), (3, 96346677), (7, 41291433), (9, 32115559), (21, 13763811), (63, 4587937), (1231, 234801), (3693, 78267), (3727, 77553), (8617, 33543), (11079, 26089), (11181, 25851)]