1280454993

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{2239}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 1935360000

約数和(自身を除く): 654905007

約数列:

[1, 3, 9, 27, 59, 177, 359, 531, 1077, 1593, 2239, 3231, 6717, 9693, 20151, 21181, 60453, 63543, 132101, 190629, 396303, 571887, 803801, 1188909, 2411403, 3566727, 7234209, 21702627, 47424259, 142272777, 426818331, 1280454993]

約数ペア:

[(1, 1280454993), (3, 426818331), (9, 142272777), (27, 47424259), (59, 21702627), (177, 7234209), (359, 3566727), (531, 2411403), (1077, 1188909), (1593, 803801), (2239, 571887), (3231, 396303), (6717, 190629), (9693, 132101), (20151, 63543), (21181, 60453)]