2800161

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 5024448

約数和(自身を除く): 2224287

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 263, 273, 507, 789, 819, 1183, 1521, 1841, 2367, 3419, 3549, 5523, 10257, 10647, 16569, 23933, 30771, 44447, 71799, 133341, 215397, 311129, 400023, 933387, 2800161]

約数ペア:

[(1, 2800161), (3, 933387), (7, 400023), (9, 311129), (13, 215397), (21, 133341), (39, 71799), (63, 44447), (91, 30771), (117, 23933), (169, 16569), (263, 10647), (273, 10257), (507, 5523), (789, 3549), (819, 3419), (1183, 2367), (1521, 1841)]