55678749

素因数分解:

$3^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{727}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 86643648

約数和(自身を除く): 30964899

約数列:

[1, 3, 7, 21, 49, 147, 521, 727, 1563, 2181, 3647, 5089, 10941, 15267, 25529, 35623, 76587, 106869, 378767, 1136301, 2651369, 7954107, 18559583, 55678749]

約数ペア:

[(1, 55678749), (3, 18559583), (7, 7954107), (21, 2651369), (49, 1136301), (147, 378767), (521, 106869), (727, 76587), (1563, 35623), (2181, 25529), (3647, 15267), (5089, 10941)]