678349725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12373}}^1$

素因数の和:12446

約数の個数: 48

約数和(自身を含む): 1215225792

約数和(自身を除く): 536876067

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 645, 731, 1075, 1275, 2193, 3225, 3655, 10965, 12373, 18275, 37119, 54825, 61865, 185595, 210341, 309325, 532039, 631023, 927975, 1051705, 1596117, 2660195, 3155115, 5258525, 7980585, 9044663, 13300975, 15775575, 27133989, 39902925, 45223315, 135669945, 226116575, 678349725]

約数ペア:

[(1, 678349725), (3, 226116575), (5, 135669945), (15, 45223315), (17, 39902925), (25, 27133989), (43, 15775575), (51, 13300975), (75, 9044663), (85, 7980585), (129, 5258525), (215, 3155115), (255, 2660195), (425, 1596117), (645, 1051705), (731, 927975), (1075, 631023), (1275, 532039), (2193, 309325), (3225, 210341), (3655, 185595), (10965, 61865), (12373, 54825), (18275, 37119)]