18315891

素因数分解:

$3^2\times {\mathrm{11}}^4\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 30

約数和(自身を含む): 29311100

約数和(自身を除く): 10995209

約数列:

[1, 3, 9, 11, 33, 99, 121, 139, 363, 417, 1089, 1251, 1331, 1529, 3993, 4587, 11979, 13761, 14641, 16819, 43923, 50457, 131769, 151371, 185009, 555027, 1665081, 2035099, 6105297, 18315891]

約数ペア:

[(1, 18315891), (3, 6105297), (9, 2035099), (11, 1665081), (33, 555027), (99, 185009), (121, 151371), (139, 131769), (363, 50457), (417, 43923), (1089, 16819), (1251, 14641), (1331, 13761), (1529, 11979), (3993, 4587)]