72639585

素因数分解:

$3^4\times 5^1\times {\mathrm{179357}}^1$

素因数の和:179374

約数の個数: 20

約数和(自身を含む): 130213908

約数和(自身を除く): 57574323

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 179357, 538071, 896785, 1614213, 2690355, 4842639, 8071065, 14527917, 24213195, 72639585]

約数ペア:

[(1, 72639585), (3, 24213195), (5, 14527917), (9, 8071065), (15, 4842639), (27, 2690355), (45, 1614213), (81, 896785), (135, 538071), (405, 179357)]