66289209

素因数分解:

$3^1\times 7^4\times {\mathrm{9203}}^1$

素因数の和:9234

約数の個数: 20

約数和(自身を含む): 103121616

約数和(自身を除く): 36832407

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 9203, 27609, 64421, 193263, 450947, 1352841, 3156629, 9469887, 22096403, 66289209]

約数ペア:

[(1, 66289209), (3, 22096403), (7, 9469887), (21, 3156629), (49, 1352841), (147, 450947), (343, 193263), (1029, 64421), (2401, 27609), (7203, 9203)]