8457939

素因数分解:

$3^4\times 7^2\times {\mathrm{2131}}^1$

素因数の和:2157

約数の個数: 30

約数和(自身を含む): 14704404

約数和(自身を除く): 6246465

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 2131, 3969, 6393, 14917, 19179, 44751, 57537, 104419, 134253, 172611, 313257, 402759, 939771, 1208277, 2819313, 8457939]

約数ペア:

[(1, 8457939), (3, 2819313), (7, 1208277), (9, 939771), (21, 402759), (27, 313257), (49, 172611), (63, 134253), (81, 104419), (147, 57537), (189, 44751), (441, 19179), (567, 14917), (1323, 6393), (2131, 3969)]