290000739

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{2341}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 469449216

約数和(自身を除く): 179448477

約数列:

[1, 3, 7, 17, 21, 51, 119, 347, 357, 1041, 2341, 2429, 5899, 7023, 7287, 16387, 17697, 39797, 41293, 49161, 119391, 123879, 278579, 812327, 835737, 2436981, 5686289, 13809559, 17058867, 41428677, 96666913, 290000739]

約数ペア:

[(1, 290000739), (3, 96666913), (7, 41428677), (17, 17058867), (21, 13809559), (51, 5686289), (119, 2436981), (347, 835737), (357, 812327), (1041, 278579), (2341, 123879), (2429, 119391), (5899, 49161), (7023, 41293), (7287, 39797), (16387, 17697)]