268578909

素因数分解:

$3^7\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 405329280

約数和(自身を除く): 136750371

約数列:

[1, 3, 9, 27, 81, 227, 243, 541, 681, 729, 1623, 2043, 2187, 4869, 6129, 14607, 18387, 43821, 55161, 122807, 131463, 165483, 368421, 394389, 496449, 1105263, 1183167, 3315789, 9947367, 29842101, 89526303, 268578909]

約数ペア:

[(1, 268578909), (3, 89526303), (9, 29842101), (27, 9947367), (81, 3315789), (227, 1183167), (243, 1105263), (541, 496449), (681, 394389), (729, 368421), (1623, 165483), (2043, 131463), (2187, 122807), (4869, 55161), (6129, 43821), (14607, 18387)]