2978661

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 4826304

約数和(自身を除く): 1847643

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 881, 1127, 2643, 3381, 6167, 18501, 20263, 43169, 60789, 129507, 141841, 425523, 992887, 2978661]

約数ペア:

[(1, 2978661), (3, 992887), (7, 425523), (21, 141841), (23, 129507), (49, 60789), (69, 43169), (147, 20263), (161, 18501), (483, 6167), (881, 3381), (1127, 2643)]