15216305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1787}}^1$

素因数の和:1936

約数の個数: 16

約数和(自身を含む): 19825344

約数和(自身を除く): 4609039

約数列:

[1, 5, 13, 65, 131, 655, 1703, 1787, 8515, 8935, 23231, 116155, 234097, 1170485, 3043261, 15216305]

約数ペア:

[(1, 15216305), (5, 3043261), (13, 1170485), (65, 234097), (131, 116155), (655, 23231), (1703, 8935), (1787, 8515)]