15400915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{853}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 19430208

約数和(自身を除く): 4029293

約数列:

[1, 5, 23, 115, 157, 785, 853, 3611, 4265, 18055, 19619, 98095, 133921, 669605, 3080183, 15400915]

約数ペア:

[(1, 15400915), (5, 3080183), (23, 669605), (115, 133921), (157, 98095), (785, 19619), (853, 18055), (3611, 4265)]