2790567

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4874688

約数和(自身を除く): 2084121

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 61, 69, 117, 153, 183, 207, 221, 299, 391, 549, 663, 793, 897, 1037, 1173, 1403, 1989, 2379, 2691, 3111, 3519, 4209, 5083, 7137, 9333, 12627, 13481, 15249, 18239, 23851, 40443, 45747, 54717, 71553, 121329, 164151, 214659, 310063, 930189, 2790567]

約数ペア:

[(1, 2790567), (3, 930189), (9, 310063), (13, 214659), (17, 164151), (23, 121329), (39, 71553), (51, 54717), (61, 45747), (69, 40443), (117, 23851), (153, 18239), (183, 15249), (207, 13481), (221, 12627), (299, 9333), (391, 7137), (549, 5083), (663, 4209), (793, 3519), (897, 3111), (1037, 2691), (1173, 2379), (1403, 1989)]