66986577

素因数分解:

$3^2\times 7^2\times {\mathrm{151897}}^1$

素因数の和:151917

約数の個数: 18

約数和(自身を含む): 112556418

約数和(自身を除く): 45569841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 151897, 455691, 1063279, 1367073, 3189837, 7442953, 9569511, 22328859, 66986577]

約数ペア:

[(1, 66986577), (3, 22328859), (7, 9569511), (9, 7442953), (21, 3189837), (49, 1367073), (63, 1063279), (147, 455691), (441, 151897)]