15189039

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 24532992

約数和(自身を除く): 9343953

約数列:

[1, 3, 9, 23, 27, 31, 69, 81, 93, 207, 263, 279, 621, 713, 789, 837, 1863, 2139, 2367, 2511, 6049, 6417, 7101, 8153, 18147, 19251, 21303, 24459, 54441, 57753, 73377, 163323, 187519, 220131, 489969, 562557, 660393, 1687671, 5063013, 15189039]

約数ペア:

[(1, 15189039), (3, 5063013), (9, 1687671), (23, 660393), (27, 562557), (31, 489969), (69, 220131), (81, 187519), (93, 163323), (207, 73377), (263, 57753), (279, 54441), (621, 24459), (713, 21303), (789, 19251), (837, 18147), (1863, 8153), (2139, 7101), (2367, 6417), (2511, 6049)]