639327

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 16

約数和(自身を含む): 932960

約数和(自身を除く): 293633

約数列:

[1, 3, 13, 39, 97, 169, 291, 507, 1261, 2197, 3783, 6591, 16393, 49179, 213109, 639327]

約数ペア:

[(1, 639327), (3, 213109), (13, 49179), (39, 16393), (97, 6591), (169, 3783), (291, 2197), (507, 1261)]