290097717

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{13451}}^1$

素因数の和:13553

約数の個数: 32

約数和(自身を含む): 482119680

約数和(自身を除く): 192021963

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 7189, 13451, 21567, 40353, 94157, 174863, 282471, 524589, 1062629, 1224041, 3187887, 3672123, 7438403, 13814177, 22315209, 41442531, 96699239, 290097717]

約数ペア:

[(1, 290097717), (3, 96699239), (7, 41442531), (13, 22315209), (21, 13814177), (39, 7438403), (79, 3672123), (91, 3187887), (237, 1224041), (273, 1062629), (553, 524589), (1027, 282471), (1659, 174863), (3081, 94157), (7189, 40353), (13451, 21567)]