290111619

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 448266240

約数和(自身を除く): 158154621

約数列:

[1, 3, 7, 21, 151, 191, 453, 479, 573, 1057, 1337, 1437, 3171, 3353, 4011, 10059, 28841, 72329, 86523, 91489, 201887, 216987, 274467, 506303, 605661, 640423, 1518909, 1921269, 13814839, 41444517, 96703873, 290111619]

約数ペア:

[(1, 290111619), (3, 96703873), (7, 41444517), (21, 13814839), (151, 1921269), (191, 1518909), (453, 640423), (479, 605661), (573, 506303), (1057, 274467), (1337, 216987), (1437, 201887), (3171, 91489), (3353, 86523), (4011, 72329), (10059, 28841)]