381548713

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{4363}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 485346624

約数和(自身を除く): 103797911

約数列:

[1, 7, 13, 31, 91, 217, 403, 961, 2821, 4363, 6727, 12493, 30541, 56719, 87451, 135253, 397033, 946771, 1758289, 4192843, 12308023, 29349901, 54506959, 381548713]

約数ペア:

[(1, 381548713), (7, 54506959), (13, 29349901), (31, 12308023), (91, 4192843), (217, 1758289), (403, 946771), (961, 397033), (2821, 135253), (4363, 87451), (6727, 56719), (12493, 30541)]