478889739

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{257053}}^1$

素因数の和:257088

約数の個数: 20

約数和(自身を含む): 746484816

約数和(自身を除く): 267595077

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 257053, 771159, 2313477, 5912219, 6940431, 17736657, 20821293, 53209971, 159629913, 478889739]

約数ペア:

[(1, 478889739), (3, 159629913), (9, 53209971), (23, 20821293), (27, 17736657), (69, 6940431), (81, 5912219), (207, 2313477), (621, 771159), (1863, 257053)]