9976989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 15206400

約数和(自身を除く): 5229411

約数列:

[1, 3, 11, 33, 43, 79, 89, 129, 237, 267, 473, 869, 979, 1419, 2607, 2937, 3397, 3827, 7031, 10191, 11481, 21093, 37367, 42097, 77341, 112101, 126291, 232023, 302333, 906999, 3325663, 9976989]

約数ペア:

[(1, 9976989), (3, 3325663), (11, 906999), (33, 302333), (43, 232023), (79, 126291), (89, 112101), (129, 77341), (237, 42097), (267, 37367), (473, 21093), (869, 11481), (979, 10191), (1419, 7031), (2607, 3827), (2937, 3397)]