66555489

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 122572800

約数和(自身を除く): 56017311

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 77, 91, 111, 143, 231, 259, 273, 407, 429, 481, 599, 777, 1001, 1221, 1443, 1797, 2849, 3003, 3367, 4193, 5291, 6589, 7787, 8547, 10101, 12579, 15873, 19767, 22163, 23361, 37037, 46123, 54509, 66489, 85657, 111111, 138369, 155141, 163527, 243793, 256971, 288119, 465423, 599599, 731379, 864357, 1706551, 1798797, 2016833, 3169309, 5119653, 6050499, 9507927, 22185163, 66555489]

約数ペア:

[(1, 66555489), (3, 22185163), (7, 9507927), (11, 6050499), (13, 5119653), (21, 3169309), (33, 2016833), (37, 1798797), (39, 1706551), (77, 864357), (91, 731379), (111, 599599), (143, 465423), (231, 288119), (259, 256971), (273, 243793), (407, 163527), (429, 155141), (481, 138369), (599, 111111), (777, 85657), (1001, 66489), (1221, 54509), (1443, 46123), (1797, 37037), (2849, 23361), (3003, 22163), (3367, 19767), (4193, 15873), (5291, 12579), (6589, 10101), (7787, 8547)]