291229749

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:959

約数の個数: 40

約数和(自身を含む): 456648192

約数和(自身を除く): 165418443

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 223, 621, 669, 701, 1863, 2007, 2103, 5129, 6021, 6309, 15387, 16123, 18063, 18927, 46161, 48369, 56781, 138483, 145107, 156323, 415449, 435321, 468969, 1305963, 1406907, 3595429, 4220721, 10786287, 12662163, 32358861, 97076583, 291229749]

約数ペア:

[(1, 291229749), (3, 97076583), (9, 32358861), (23, 12662163), (27, 10786287), (69, 4220721), (81, 3595429), (207, 1406907), (223, 1305963), (621, 468969), (669, 435321), (701, 415449), (1863, 156323), (2007, 145107), (2103, 138483), (5129, 56781), (6021, 48369), (6309, 46161), (15387, 18927), (16123, 18063)]