28280961

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{45541}}^1$

素因数の和:45573

約数の個数: 16

約数和(自身を含む): 43720320

約数和(自身を除く): 15439359

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 45541, 136623, 409869, 1047443, 1229607, 3142329, 9426987, 28280961]

約数ペア:

[(1, 28280961), (3, 9426987), (9, 3142329), (23, 1229607), (27, 1047443), (69, 409869), (207, 136623), (621, 45541)]