179707857

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 279552000

約数和(自身を除く): 99844143

約数列:

[1, 3, 7, 21, 79, 149, 237, 447, 553, 727, 1043, 1659, 2181, 3129, 5089, 11771, 15267, 35313, 57433, 82397, 108323, 172299, 247191, 324969, 402031, 758261, 1206093, 2274783, 8557517, 25672551, 59902619, 179707857]

約数ペア:

[(1, 179707857), (3, 59902619), (7, 25672551), (21, 8557517), (79, 2274783), (149, 1206093), (237, 758261), (447, 402031), (553, 324969), (727, 247191), (1043, 172299), (1659, 108323), (2181, 82397), (3129, 57433), (5089, 35313), (11771, 15267)]