12784737

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 20520000

約数和(自身を除く): 7735263

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 2999, 4263, 8997, 20993, 62979, 86971, 146951, 260913, 440853, 608797, 1826391, 4261579, 12784737]

約数ペア:

[(1, 12784737), (3, 4261579), (7, 1826391), (21, 608797), (29, 440853), (49, 260913), (87, 146951), (147, 86971), (203, 62979), (609, 20993), (1421, 8997), (2999, 4263)]