31372155

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 57547776

約数和(自身を除く): 26175621

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 93, 129, 155, 215, 279, 387, 465, 523, 645, 1333, 1395, 1569, 1935, 2615, 3999, 4707, 6665, 7845, 11997, 16213, 19995, 22489, 23535, 48639, 59985, 67467, 81065, 112445, 145917, 202401, 243195, 337335, 697159, 729585, 1012005, 2091477, 3485795, 6274431, 10457385, 31372155]

約数ペア:

[(1, 31372155), (3, 10457385), (5, 6274431), (9, 3485795), (15, 2091477), (31, 1012005), (43, 729585), (45, 697159), (93, 337335), (129, 243195), (155, 202401), (215, 145917), (279, 112445), (387, 81065), (465, 67467), (523, 59985), (645, 48639), (1333, 23535), (1395, 22489), (1569, 19995), (1935, 16213), (2615, 11997), (3999, 7845), (4707, 6665)]