7240005

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{461}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 12612600

約数和(自身を除く): 5372595

約数列:

[1, 3, 5, 9, 15, 45, 349, 461, 1047, 1383, 1745, 2305, 3141, 4149, 5235, 6915, 15705, 20745, 160889, 482667, 804445, 1448001, 2413335, 7240005]

約数ペア:

[(1, 7240005), (3, 2413335), (5, 1448001), (9, 804445), (15, 482667), (45, 160889), (349, 20745), (461, 15705), (1047, 6915), (1383, 5235), (1745, 4149), (2305, 3141)]