389617995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1998041}}^1$

素因数の和:1998062

約数の個数: 16

約数和(自身を含む): 671342112

約数和(自身を除く): 281724117

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1998041, 5994123, 9990205, 25974533, 29970615, 77923599, 129872665, 389617995]

約数ペア:

[(1, 389617995), (3, 129872665), (5, 77923599), (13, 29970615), (15, 25974533), (39, 9990205), (65, 5994123), (195, 1998041)]