28208775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53731}}^1$

素因数の和:53751

約数の個数: 24

約数和(自身を含む): 53302144

約数和(自身を除く): 25093369

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53731, 161193, 268655, 376117, 805965, 1128351, 1343275, 1880585, 4029825, 5641755, 9402925, 28208775]

約数ペア:

[(1, 28208775), (3, 9402925), (5, 5641755), (7, 4029825), (15, 1880585), (21, 1343275), (25, 1128351), (35, 805965), (75, 376117), (105, 268655), (175, 161193), (525, 53731)]