28715925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 26280555

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 175, 249, 415, 525, 581, 659, 1245, 1743, 1977, 2075, 2905, 3295, 4613, 6225, 8715, 9885, 13839, 14525, 16475, 23065, 43575, 49425, 54697, 69195, 115325, 164091, 273485, 345975, 382879, 820455, 1148637, 1367425, 1914395, 4102275, 5743185, 9571975, 28715925]

約数ペア:

[(1, 28715925), (3, 9571975), (5, 5743185), (7, 4102275), (15, 1914395), (21, 1367425), (25, 1148637), (35, 820455), (75, 382879), (83, 345975), (105, 273485), (175, 164091), (249, 115325), (415, 69195), (525, 54697), (581, 49425), (659, 43575), (1245, 23065), (1743, 16475), (1977, 14525), (2075, 13839), (2905, 9885), (3295, 8715), (4613, 6225)]