12781593

素因数分解:

$3^2\times {\mathrm{11}}^4\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 30

約数和(自身を含む): 20517770

約数和(自身を除く): 7736177

約数列:

[1, 3, 9, 11, 33, 97, 99, 121, 291, 363, 873, 1067, 1089, 1331, 3201, 3993, 9603, 11737, 11979, 14641, 35211, 43923, 105633, 129107, 131769, 387321, 1161963, 1420177, 4260531, 12781593]

約数ペア:

[(1, 12781593), (3, 4260531), (9, 1420177), (11, 1161963), (33, 387321), (97, 131769), (99, 129107), (121, 105633), (291, 43923), (363, 35211), (873, 14641), (1067, 11979), (1089, 11737), (1331, 9603), (3201, 3993)]