4087245

素因数分解:

$3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{523}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 6564672

約数和(自身を除く): 2477427

約数列:

[1, 3, 5, 15, 521, 523, 1563, 1569, 2605, 2615, 7815, 7845, 272483, 817449, 1362415, 4087245]

約数ペア:

[(1, 4087245), (3, 1362415), (5, 817449), (15, 272483), (521, 7845), (523, 7815), (1563, 2615), (1569, 2605)]