13070421

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15959}}^1$

素因数の和:15985

約数の個数: 24

約数和(自身を含む): 23237760

約数和(自身を除く): 10167339

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 15959, 47877, 111713, 143631, 207467, 335139, 622401, 1005417, 1452269, 1867203, 4356807, 13070421]

約数ペア:

[(1, 13070421), (3, 4356807), (7, 1867203), (9, 1452269), (13, 1005417), (21, 622401), (39, 335139), (63, 207467), (91, 143631), (117, 111713), (273, 47877), (819, 15959)]