18798729

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{863}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 25754112

約数和(自身を除く): 6955383

約数列:

[1, 3, 53, 137, 159, 411, 863, 2589, 7261, 21783, 45739, 118231, 137217, 354693, 6266243, 18798729]

約数ペア:

[(1, 18798729), (3, 6266243), (53, 354693), (137, 137217), (159, 118231), (411, 45739), (863, 21783), (2589, 7261)]