77821641

素因数分解:

$3^4\times {\mathrm{941}}^1\times {\mathrm{1021}}^1$

素因数の和:1974

約数の個数: 20

約数和(自身を含む): 116489604

約数和(自身を除く): 38667963

約数列:

[1, 3, 9, 27, 81, 941, 1021, 2823, 3063, 8469, 9189, 25407, 27567, 76221, 82701, 960761, 2882283, 8646849, 25940547, 77821641]

約数ペア:

[(1, 77821641), (3, 25940547), (9, 8646849), (27, 2882283), (81, 960761), (941, 82701), (1021, 76221), (2823, 27567), (3063, 25407), (8469, 9189)]