28885311

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2713}}^1$

素因数の和:2752

約数の個数: 36

約数和(自身を含む): 51652848

約数和(自身を除く): 22767537

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2713, 3549, 8139, 10647, 18991, 24417, 35269, 56973, 105807, 170919, 246883, 317421, 458497, 740649, 1375491, 2221947, 3209479, 4126473, 9628437, 28885311]

約数ペア:

[(1, 28885311), (3, 9628437), (7, 4126473), (9, 3209479), (13, 2221947), (21, 1375491), (39, 740649), (63, 458497), (91, 317421), (117, 246883), (169, 170919), (273, 105807), (507, 56973), (819, 35269), (1183, 24417), (1521, 18991), (2713, 10647), (3549, 8139)]