72509211

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 106470000

約数和(自身を除く): 33960789

約数列:

[1, 3, 9, 139, 149, 389, 417, 447, 1167, 1251, 1341, 3501, 20711, 54071, 57961, 62133, 162213, 173883, 186399, 486639, 521649, 8056579, 24169737, 72509211]

約数ペア:

[(1, 72509211), (3, 24169737), (9, 8056579), (139, 521649), (149, 486639), (389, 186399), (417, 173883), (447, 162213), (1167, 62133), (1251, 57961), (1341, 54071), (3501, 20711)]