291249621

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 496742400

約数和(自身を除く): 205492779

約数列:

[1, 3, 9, 13, 23, 27, 39, 43, 69, 117, 129, 207, 299, 351, 387, 559, 621, 839, 897, 989, 1161, 1677, 2517, 2691, 2967, 5031, 7551, 8073, 8901, 10907, 12857, 15093, 19297, 22653, 26703, 32721, 36077, 38571, 57891, 98163, 108231, 115713, 173673, 250861, 294489, 324693, 347139, 469001, 521019, 752583, 829771, 974079, 1407003, 2257749, 2489313, 4221009, 6773247, 7467939, 10787023, 12663027, 22403817, 32361069, 97083207, 291249621]

約数ペア:

[(1, 291249621), (3, 97083207), (9, 32361069), (13, 22403817), (23, 12663027), (27, 10787023), (39, 7467939), (43, 6773247), (69, 4221009), (117, 2489313), (129, 2257749), (207, 1407003), (299, 974079), (351, 829771), (387, 752583), (559, 521019), (621, 469001), (839, 347139), (897, 324693), (989, 294489), (1161, 250861), (1677, 173673), (2517, 115713), (2691, 108231), (2967, 98163), (5031, 57891), (7551, 38571), (8073, 36077), (8901, 32721), (10907, 26703), (12857, 22653), (15093, 19297)]