389945907

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{677}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 629395536

約数和(自身を除く): 239449629

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 547, 677, 1053, 1641, 2031, 4923, 6093, 7111, 8801, 14769, 18279, 21333, 26403, 44307, 54837, 63999, 79209, 191997, 237627, 370319, 575991, 712881, 1110957, 3332871, 4814147, 9998613, 14442441, 29995839, 43327323, 129981969, 389945907]

約数ペア:

[(1, 389945907), (3, 129981969), (9, 43327323), (13, 29995839), (27, 14442441), (39, 9998613), (81, 4814147), (117, 3332871), (351, 1110957), (547, 712881), (677, 575991), (1053, 370319), (1641, 237627), (2031, 191997), (4923, 79209), (6093, 63999), (7111, 54837), (8801, 44307), (14769, 26403), (18279, 21333)]