27984615

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1009}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 45886320

約数和(自身を除く): 17901705

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1009, 1849, 3027, 5045, 5547, 9245, 15135, 27735, 43387, 130161, 216935, 650805, 1865641, 5596923, 9328205, 27984615]

約数ペア:

[(1, 27984615), (3, 9328205), (5, 5596923), (15, 1865641), (43, 650805), (129, 216935), (215, 130161), (645, 43387), (1009, 27735), (1849, 15135), (3027, 9245), (5045, 5547)]