18909585

素因数分解:

$3^3\times 5^1\times {\mathrm{140071}}^1$

素因数の和:140085

約数の個数: 16

約数和(自身を含む): 33617280

約数和(自身を除く): 14707695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140071, 420213, 700355, 1260639, 2101065, 3781917, 6303195, 18909585]

約数ペア:

[(1, 18909585), (3, 6303195), (5, 3781917), (9, 2101065), (15, 1260639), (27, 700355), (45, 420213), (135, 140071)]