68437725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21221}}^1$

素因数の和:21277

約数の個数: 24

約数和(自身を含む): 115787232

約数和(自身を除く): 47349507

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 21221, 63663, 106105, 318315, 530525, 912503, 1591575, 2737509, 4562515, 13687545, 22812575, 68437725]

約数ペア:

[(1, 68437725), (3, 22812575), (5, 13687545), (15, 4562515), (25, 2737509), (43, 1591575), (75, 912503), (129, 530525), (215, 318315), (645, 106105), (1075, 63663), (3225, 21221)]