4006779

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 6301008

約数和(自身を除く): 2294229

約数列:

[1, 3, 7, 21, 49, 97, 147, 281, 291, 679, 843, 1967, 2037, 4753, 5901, 13769, 14259, 27257, 41307, 81771, 190799, 572397, 1335593, 4006779]

約数ペア:

[(1, 4006779), (3, 1335593), (7, 572397), (21, 190799), (49, 81771), (97, 41307), (147, 27257), (281, 14259), (291, 13769), (679, 5901), (843, 4753), (1967, 2037)]