9939215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13901}}^1$

素因数の和:13930

約数の個数: 16

約数和(自身を含む): 14013216

約数和(自身を除く): 4074001

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 13901, 69505, 152911, 180713, 764555, 903565, 1987843, 9939215]

約数ペア:

[(1, 9939215), (5, 1987843), (11, 903565), (13, 764555), (55, 180713), (65, 152911), (143, 69505), (715, 13901)]