2620725

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 4395552

約数和(自身を除く): 1774827

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 421, 1245, 1263, 2075, 2105, 6225, 6315, 10525, 31575, 34943, 104829, 174715, 524145, 873575, 2620725]

約数ペア:

[(1, 2620725), (3, 873575), (5, 524145), (15, 174715), (25, 104829), (75, 34943), (83, 31575), (249, 10525), (415, 6315), (421, 6225), (1245, 2105), (1263, 2075)]