279306783

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{12281}}^1$

素因数の和:12332

約数の個数: 36

約数和(自身を含む): 486661968

約数和(自身を除く): 207355185

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 2527, 3249, 7581, 12281, 22743, 36843, 85967, 110529, 233339, 257901, 700017, 773703, 1633373, 2100051, 4433441, 4900119, 13300323, 14700357, 31034087, 39900969, 93102261, 279306783]

約数ペア:

[(1, 279306783), (3, 93102261), (7, 39900969), (9, 31034087), (19, 14700357), (21, 13300323), (57, 4900119), (63, 4433441), (133, 2100051), (171, 1633373), (361, 773703), (399, 700017), (1083, 257901), (1197, 233339), (2527, 110529), (3249, 85967), (7581, 36843), (12281, 22743)]