380679999

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 589234176

約数和(自身を除く): 208554177

約数列:

[1, 3, 7, 21, 107, 191, 321, 573, 749, 887, 1337, 2247, 2661, 4011, 6209, 18627, 20437, 61311, 94909, 143059, 169417, 284727, 429177, 508251, 664363, 1185919, 1993089, 3557757, 18127619, 54382857, 126893333, 380679999]

約数ペア:

[(1, 380679999), (3, 126893333), (7, 54382857), (21, 18127619), (107, 3557757), (191, 1993089), (321, 1185919), (573, 664363), (749, 508251), (887, 429177), (1337, 284727), (2247, 169417), (2661, 143059), (4011, 94909), (6209, 61311), (18627, 20437)]