664677951

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{4643}}^1$

素因数の和:5071

約数の個数: 32

約数和(自身を含む): 1075327488

約数和(自身を除く): 410649537

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 401, 1203, 2807, 4643, 6817, 8421, 13929, 20451, 32501, 47719, 78931, 97503, 143157, 236793, 552517, 1657551, 1861843, 5585529, 13032901, 31651331, 39098703, 94953993, 221559317, 664677951]

約数ペア:

[(1, 664677951), (3, 221559317), (7, 94953993), (17, 39098703), (21, 31651331), (51, 13032901), (119, 5585529), (357, 1861843), (401, 1657551), (1203, 552517), (2807, 236793), (4643, 143157), (6817, 97503), (8421, 78931), (13929, 47719), (20451, 32501)]