201478779

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{173539}}^1$

素因数の和:173591

約数の個数: 16

約数和(自身を含む): 305430400

約数和(自身を除く): 103951621

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 173539, 520617, 1561851, 4685553, 7462177, 22386531, 67159593, 201478779]

約数ペア:

[(1, 201478779), (3, 67159593), (9, 22386531), (27, 7462177), (43, 4685553), (129, 1561851), (387, 520617), (1161, 173539)]