28057695

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21017}}^1$

素因数の和:21114

約数の個数: 16

約数和(自身を含む): 45398880

約数和(自身を除く): 17341185

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 21017, 63051, 105085, 315255, 1870513, 5611539, 9352565, 28057695]

約数ペア:

[(1, 28057695), (3, 9352565), (5, 5611539), (15, 1870513), (89, 315255), (267, 105085), (445, 63051), (1335, 21017)]