64947813

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 102127872

約数和(自身を除く): 37180059

約数列:

[1, 3, 7, 21, 41, 123, 241, 287, 313, 723, 861, 939, 1687, 2191, 5061, 6573, 9881, 12833, 29643, 38499, 69167, 75433, 89831, 207501, 226299, 269493, 528031, 1584093, 3092753, 9278259, 21649271, 64947813]

約数ペア:

[(1, 64947813), (3, 21649271), (7, 9278259), (21, 3092753), (41, 1584093), (123, 528031), (241, 269493), (287, 226299), (313, 207501), (723, 89831), (861, 75433), (939, 69167), (1687, 38499), (2191, 29643), (5061, 12833), (6573, 9881)]