2639273

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 3443328

約数和(自身を除く): 804055

約数列:

[1, 7, 13, 23, 91, 97, 161, 169, 299, 679, 1183, 1261, 2093, 2231, 3887, 8827, 15617, 16393, 27209, 29003, 114751, 203021, 377039, 2639273]

約数ペア:

[(1, 2639273), (7, 377039), (13, 203021), (23, 114751), (91, 29003), (97, 27209), (161, 16393), (169, 15617), (299, 8827), (679, 3887), (1183, 2231), (1261, 2093)]