64192779

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3319}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 106346240

約数和(自身を除く): 42153461

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 3319, 6447, 9957, 19341, 23233, 29871, 69699, 209097, 1018933, 3056799, 7132531, 9170397, 21397593, 64192779]

約数ペア:

[(1, 64192779), (3, 21397593), (7, 9170397), (9, 7132531), (21, 3056799), (63, 1018933), (307, 209097), (921, 69699), (2149, 29871), (2763, 23233), (3319, 19341), (6447, 9957)]