128791557

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{12347}}^1$

素因数の和:12433

約数の個数: 24

約数和(自身を含む): 199049760

約数和(自身を除く): 70258203

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 3477, 10431, 12347, 37041, 111123, 234593, 703779, 753167, 2111337, 2259501, 6778503, 14310173, 42930519, 128791557]

約数ペア:

[(1, 128791557), (3, 42930519), (9, 14310173), (19, 6778503), (57, 2259501), (61, 2111337), (171, 753167), (183, 703779), (549, 234593), (1159, 111123), (3477, 37041), (10431, 12347)]