378881919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{53087}}^1$

素因数の和:53167

約数の個数: 24

約数和(自身を含む): 599044992

約数和(自身を除く): 220163073

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 7137, 53087, 159261, 477783, 690131, 2070393, 3238307, 6211179, 9714921, 29144763, 42097991, 126293973, 378881919]

約数ペア:

[(1, 378881919), (3, 126293973), (9, 42097991), (13, 29144763), (39, 9714921), (61, 6211179), (117, 3238307), (183, 2070393), (549, 690131), (793, 477783), (2379, 159261), (7137, 53087)]