1228996557

素因数分解:

$3^5\times {\mathrm{647}}^1\times {\mathrm{7817}}^1$

素因数の和:8479

約数の個数: 24

約数和(自身を含む): 1844047296

約数和(自身を除く): 615050739

約数列:

[1, 3, 9, 27, 81, 243, 647, 1941, 5823, 7817, 17469, 23451, 52407, 70353, 157221, 211059, 633177, 1899531, 5057599, 15172797, 45518391, 136555173, 409665519, 1228996557]

約数ペア:

[(1, 1228996557), (3, 409665519), (9, 136555173), (27, 45518391), (81, 15172797), (243, 5057599), (647, 1899531), (1941, 633177), (5823, 211059), (7817, 157221), (17469, 70353), (23451, 52407)]