390254961

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2\times {\mathrm{821}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 550253376

約数和(自身を除く): 159998415

約数列:

[1, 3, 23, 69, 83, 249, 821, 1909, 2463, 5727, 6889, 18883, 20667, 56649, 68143, 158447, 204429, 475341, 1567289, 4701867, 5655869, 16967607, 130084987, 390254961]

約数ペア:

[(1, 390254961), (3, 130084987), (23, 16967607), (69, 5655869), (83, 4701867), (249, 1567289), (821, 475341), (1909, 204429), (2463, 158447), (5727, 68143), (6889, 56649), (18883, 20667)]