15690715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2903}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 20072448

約数和(自身を除く): 4381733

約数列:

[1, 5, 23, 47, 115, 235, 1081, 2903, 5405, 14515, 66769, 136441, 333845, 682205, 3138143, 15690715]

約数ペア:

[(1, 15690715), (5, 3138143), (23, 682205), (47, 333845), (115, 136441), (235, 66769), (1081, 14515), (2903, 5405)]