12515919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5261}}^1$

素因数の和:5338

約数の個数: 16

約数和(自身を含む): 18269664

約数和(自身を除く): 5753745

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 5261, 15783, 68393, 205179, 320921, 962763, 4171973, 12515919]

約数ペア:

[(1, 12515919), (3, 4171973), (13, 962763), (39, 320921), (61, 205179), (183, 68393), (793, 15783), (2379, 5261)]