81399075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{29333}}^1$

素因数の和:29383

約数の個数: 24

約数和(自身を含む): 138221808

約数和(自身を除く): 56822733

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 29333, 87999, 146665, 439995, 733325, 1085321, 2199975, 3255963, 5426605, 16279815, 27133025, 81399075]

約数ペア:

[(1, 81399075), (3, 27133025), (5, 16279815), (15, 5426605), (25, 3255963), (37, 2199975), (75, 1085321), (111, 733325), (185, 439995), (555, 146665), (925, 87999), (2775, 29333)]