29781531

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13397}}^1$

素因数の和:13435

約数の個数: 24

約数和(自身を含む): 48768720

約数和(自身を除く): 18987189

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 13397, 40191, 120573, 174161, 254543, 522483, 763629, 1567449, 2290887, 3309059, 9927177, 29781531]

約数ペア:

[(1, 29781531), (3, 9927177), (9, 3309059), (13, 2290887), (19, 1567449), (39, 763629), (57, 522483), (117, 254543), (171, 174161), (247, 120573), (741, 40191), (2223, 13397)]