778667139

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6827}}^1$

素因数の和:6904

約数の個数: 48

約数和(自身を含む): 1278201600

約数和(自身を除く): 499534461

約数列:

[1, 3, 9, 19, 23, 29, 57, 69, 87, 171, 207, 261, 437, 551, 667, 1311, 1653, 2001, 3933, 4959, 6003, 6827, 12673, 20481, 38019, 61443, 114057, 129713, 157021, 197983, 389139, 471063, 593949, 1167417, 1413189, 1781847, 2983399, 3761677, 4553609, 8950197, 11285031, 13660827, 26850591, 33855093, 40982481, 86518571, 259555713, 778667139]

約数ペア:

[(1, 778667139), (3, 259555713), (9, 86518571), (19, 40982481), (23, 33855093), (29, 26850591), (57, 13660827), (69, 11285031), (87, 8950197), (171, 4553609), (207, 3761677), (261, 2983399), (437, 1781847), (551, 1413189), (667, 1167417), (1311, 593949), (1653, 471063), (2001, 389139), (3933, 197983), (4959, 157021), (6003, 129713), (6827, 114057), (12673, 61443), (20481, 38019)]