28155765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170641}}^1$

素因数の和:170660

約数の個数: 16

約数和(自身を含む): 49144896

約数和(自身を除く): 20989131

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170641, 511923, 853205, 1877051, 2559615, 5631153, 9385255, 28155765]

約数ペア:

[(1, 28155765), (3, 9385255), (5, 5631153), (11, 2559615), (15, 1877051), (33, 853205), (55, 511923), (165, 170641)]