78906639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11633}}^1$

素因数の和:11679

約数の個数: 32

約数和(自身を含む): 134023680

約数和(自身を除く): 55117041

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 11633, 34899, 81431, 197761, 221027, 244293, 593283, 663081, 1384327, 1547189, 3757459, 4152981, 4641567, 11272377, 26302213, 78906639]

約数ペア:

[(1, 78906639), (3, 26302213), (7, 11272377), (17, 4641567), (19, 4152981), (21, 3757459), (51, 1547189), (57, 1384327), (119, 663081), (133, 593283), (323, 244293), (357, 221027), (399, 197761), (969, 81431), (2261, 34899), (6783, 11633)]