51071985

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2539}}^1$

素因数の和:2702

約数の個数: 32

約数和(自身を含む): 91440000

約数和(自身を除く): 40368015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 2539, 4023, 6705, 7617, 12695, 20115, 22851, 38085, 68553, 114255, 342765, 378311, 1134933, 1891555, 3404799, 5674665, 10214397, 17023995, 51071985]

約数ペア:

[(1, 51071985), (3, 17023995), (5, 10214397), (9, 5674665), (15, 3404799), (27, 1891555), (45, 1134933), (135, 378311), (149, 342765), (447, 114255), (745, 68553), (1341, 38085), (2235, 22851), (2539, 20115), (4023, 12695), (6705, 7617)]