28331511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11909}}^1$

素因数の和:11986

約数の個数: 16

約数和(自身を含む): 41351520

約数和(自身を除く): 13020009

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 11909, 35727, 154817, 464451, 726449, 2179347, 9443837, 28331511]

約数ペア:

[(1, 28331511), (3, 9443837), (13, 2179347), (39, 726449), (61, 464451), (183, 154817), (793, 35727), (2379, 11909)]