66428991

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 104648544

約数和(自身を除く): 38219553

約数列:

[1, 3, 9, 23, 27, 69, 81, 181, 197, 207, 543, 591, 621, 1629, 1773, 1863, 4163, 4531, 4887, 5319, 12489, 13593, 14661, 15957, 35657, 37467, 40779, 106971, 112401, 122337, 320913, 337203, 367011, 820111, 962739, 2460333, 2888217, 7380999, 22142997, 66428991]

約数ペア:

[(1, 66428991), (3, 22142997), (9, 7380999), (23, 2888217), (27, 2460333), (69, 962739), (81, 820111), (181, 367011), (197, 337203), (207, 320913), (543, 122337), (591, 112401), (621, 106971), (1629, 40779), (1773, 37467), (1863, 35657), (4163, 15957), (4531, 14661), (4887, 13593), (5319, 12489)]