64820457

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2294

約数の個数: 36

約数和(自身を含む): 106769520

約数和(自身を除く): 41949063

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 507, 741, 1521, 2223, 2243, 3211, 6729, 9633, 20187, 28899, 29159, 42617, 87477, 127851, 262431, 379067, 383553, 554021, 1137201, 1662063, 3411603, 4986189, 7202273, 21606819, 64820457]

約数ペア:

[(1, 64820457), (3, 21606819), (9, 7202273), (13, 4986189), (19, 3411603), (39, 1662063), (57, 1137201), (117, 554021), (169, 383553), (171, 379067), (247, 262431), (507, 127851), (741, 87477), (1521, 42617), (2223, 29159), (2243, 28899), (3211, 20187), (6729, 9633)]