20115927

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9049}}^1$

素因数の和:9087

約数の個数: 24

約数和(自身を含む): 32942000

約数和(自身を除く): 12826073

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9049, 27147, 81441, 117637, 171931, 352911, 515793, 1058733, 1547379, 2235103, 6705309, 20115927]

約数ペア:

[(1, 20115927), (3, 6705309), (9, 2235103), (13, 1547379), (19, 1058733), (39, 515793), (57, 352911), (117, 171931), (171, 117637), (247, 81441), (741, 27147), (2223, 9049)]