3945465

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 7001280

約数和(自身を除く): 3055815

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 2039, 6117, 10195, 18351, 30585, 87677, 91755, 263031, 438385, 789093, 1315155, 3945465]

約数ペア:

[(1, 3945465), (3, 1315155), (5, 789093), (9, 438385), (15, 263031), (43, 91755), (45, 87677), (129, 30585), (215, 18351), (387, 10195), (645, 6117), (1935, 2039)]