71427681

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 112821696

約数和(自身を除く): 41394015

約数列:

[1, 3, 9, 13, 39, 117, 151, 169, 311, 453, 507, 933, 1359, 1521, 1963, 2799, 4043, 5889, 12129, 17667, 25519, 36387, 46961, 52559, 76557, 140883, 157677, 229671, 422649, 473031, 610493, 1831479, 5494437, 7936409, 23809227, 71427681]

約数ペア:

[(1, 71427681), (3, 23809227), (9, 7936409), (13, 5494437), (39, 1831479), (117, 610493), (151, 473031), (169, 422649), (311, 229671), (453, 157677), (507, 140883), (933, 76557), (1359, 52559), (1521, 46961), (1963, 36387), (2799, 25519), (4043, 17667), (5889, 12129)]