207976977

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{15193}}^1$

素因数の和:15231

約数の個数: 30

約数和(自身を含む): 336440742

約数和(自身を除く): 128463765

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1521, 4563, 13689, 15193, 45579, 136737, 197509, 410211, 592527, 1230633, 1777581, 2567617, 5332743, 7702851, 15998229, 23108553, 69325659, 207976977]

約数ペア:

[(1, 207976977), (3, 69325659), (9, 23108553), (13, 15998229), (27, 7702851), (39, 5332743), (81, 2567617), (117, 1777581), (169, 1230633), (351, 592527), (507, 410211), (1053, 197509), (1521, 136737), (4563, 45579), (13689, 15193)]