64897521

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{6737}}^1$

素因数の和:6785

約数の個数: 24

約数和(自身を含む): 98644320

約数和(自身を除く): 33746799

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 3211, 6737, 9633, 20211, 87581, 128003, 262743, 384009, 1138553, 1664039, 3415659, 4992117, 21632507, 64897521]

約数ペア:

[(1, 64897521), (3, 21632507), (13, 4992117), (19, 3415659), (39, 1664039), (57, 1138553), (169, 384009), (247, 262743), (507, 128003), (741, 87581), (3211, 20211), (6737, 9633)]