81955515

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{133261}}^1$

素因数の和:133310

約数の個数: 16

約数和(自身を含む): 134328096

約数和(自身を除く): 52372581

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 133261, 399783, 666305, 1998915, 5463701, 16391103, 27318505, 81955515]

約数ペア:

[(1, 81955515), (3, 27318505), (5, 16391103), (15, 5463701), (41, 1998915), (123, 666305), (205, 399783), (615, 133261)]