225585

素因数分解:

$3^4\times 5^1\times {\mathrm{557}}^1$

素因数の和:574

約数の個数: 20

約数和(自身を含む): 405108

約数和(自身を除く): 179523

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 557, 1671, 2785, 5013, 8355, 15039, 25065, 45117, 75195, 225585]

約数ペア:

[(1, 225585), (3, 75195), (5, 45117), (9, 25065), (15, 15039), (27, 8355), (45, 5013), (81, 2785), (135, 1671), (405, 557)]