31047075

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3209}}^1$

素因数の和:3268

約数の個数: 36

約数和(自身を含む): 56919720

約数和(自身を除く): 25872645

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3209, 3225, 9627, 9675, 16045, 28881, 48135, 80225, 137987, 144405, 240675, 413961, 689935, 722025, 1241883, 2069805, 3449675, 6209415, 10349025, 31047075]

約数ペア:

[(1, 31047075), (3, 10349025), (5, 6209415), (9, 3449675), (15, 2069805), (25, 1241883), (43, 722025), (45, 689935), (75, 413961), (129, 240675), (215, 144405), (225, 137987), (387, 80225), (645, 48135), (1075, 28881), (1935, 16045), (3209, 9675), (3225, 9627)]