9987175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 14106240

約数和(自身を除く): 4119065

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 1579, 6325, 7895, 17369, 36317, 39475, 86845, 181585, 399487, 434225, 907925, 1997435, 9987175]

約数ペア:

[(1, 9987175), (5, 1997435), (11, 907925), (23, 434225), (25, 399487), (55, 181585), (115, 86845), (253, 39475), (275, 36317), (575, 17369), (1265, 7895), (1579, 6325)]