78821211

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1663}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 125452288

約数和(自身を除く): 46631077

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 427, 777, 1281, 1663, 2257, 4989, 6771, 11641, 15799, 34923, 47397, 61531, 101443, 184593, 304329, 430717, 710101, 1292151, 2130303, 3753391, 11260173, 26273737, 78821211]

約数ペア:

[(1, 78821211), (3, 26273737), (7, 11260173), (21, 3753391), (37, 2130303), (61, 1292151), (111, 710101), (183, 430717), (259, 304329), (427, 184593), (777, 101443), (1281, 61531), (1663, 47397), (2257, 34923), (4989, 15799), (6771, 11641)]