278245827

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{701}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 421312320

約数和(自身を除く): 143066493

約数列:

[1, 3, 9, 27, 61, 183, 241, 549, 701, 723, 1647, 2103, 2169, 6309, 6507, 14701, 18927, 42761, 44103, 128283, 132309, 168941, 384849, 396927, 506823, 1154547, 1520469, 4561407, 10305401, 30916203, 92748609, 278245827]

約数ペア:

[(1, 278245827), (3, 92748609), (9, 30916203), (27, 10305401), (61, 4561407), (183, 1520469), (241, 1154547), (549, 506823), (701, 396927), (723, 384849), (1647, 168941), (2103, 132309), (2169, 128283), (6309, 44103), (6507, 42761), (14701, 18927)]