39720699

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{8039}}^1$

素因数の和:8112

約数の個数: 20

約数和(自身を含む): 60316080

約数和(自身を除く): 20595381

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 8039, 24117, 72351, 217053, 490379, 651159, 1471137, 4413411, 13240233, 39720699]

約数ペア:

[(1, 39720699), (3, 13240233), (9, 4413411), (27, 1471137), (61, 651159), (81, 490379), (183, 217053), (549, 72351), (1647, 24117), (4941, 8039)]