12758745

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 21187584

約数和(自身を除く): 8428839

約数列:

[1, 3, 5, 15, 43, 129, 131, 151, 215, 393, 453, 645, 655, 755, 1965, 2265, 5633, 6493, 16899, 19479, 19781, 28165, 32465, 59343, 84495, 97395, 98905, 296715, 850583, 2551749, 4252915, 12758745]

約数ペア:

[(1, 12758745), (3, 4252915), (5, 2551749), (15, 850583), (43, 296715), (129, 98905), (131, 97395), (151, 84495), (215, 59343), (393, 32465), (453, 28165), (645, 19781), (655, 19479), (755, 16899), (1965, 6493), (2265, 5633)]