20171385009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{72298871}}^1$

素因数の和:72298908

約数の個数: 12

約数和(自身を含む): 30076330752

約数和(自身を除く): 9904945743

約数列:

[1, 3, 9, 31, 93, 279, 72298871, 216896613, 650689839, 2241265001, 6723795003, 20171385009]

約数ペア:

[(1, 20171385009), (3, 6723795003), (9, 2241265001), (31, 650689839), (93, 216896613), (279, 72298871)]