28757715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{683}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 52793856

約数和(自身を除く): 24036141

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 401, 683, 1203, 2005, 2049, 2807, 3415, 4781, 6015, 8421, 10245, 14035, 14343, 23905, 42105, 71715, 273883, 821649, 1369415, 1917181, 4108245, 5751543, 9585905, 28757715]

約数ペア:

[(1, 28757715), (3, 9585905), (5, 5751543), (7, 4108245), (15, 1917181), (21, 1369415), (35, 821649), (105, 273883), (401, 71715), (683, 42105), (1203, 23905), (2005, 14343), (2049, 14035), (2807, 10245), (3415, 8421), (4781, 6015)]