1280495505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5021551}}^1$

素因数の和:5021576

約数の個数: 16

約数和(自身を含む): 2169310464

約数和(自身を除く): 888814959

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 5021551, 15064653, 25107755, 75323265, 85366367, 256099101, 426831835, 1280495505]

約数ペア:

[(1, 1280495505), (3, 426831835), (5, 256099101), (15, 85366367), (17, 75323265), (51, 25107755), (85, 15064653), (255, 5021551)]