12872457

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 20147400

約数和(自身を除く): 7274943

約数列:

[1, 3, 9, 13, 39, 117, 269, 409, 807, 1227, 2421, 3497, 3681, 5317, 10491, 15951, 31473, 47853, 110021, 330063, 990189, 1430273, 4290819, 12872457]

約数ペア:

[(1, 12872457), (3, 4290819), (9, 1430273), (13, 990189), (39, 330063), (117, 110021), (269, 47853), (409, 31473), (807, 15951), (1227, 10491), (2421, 5317), (3497, 3681)]