1987215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7793}}^1$

素因数の和:7818

約数の個数: 16

約数和(自身を含む): 3367008

約数和(自身を除く): 1379793

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 7793, 23379, 38965, 116895, 132481, 397443, 662405, 1987215]

約数ペア:

[(1, 1987215), (3, 662405), (5, 397443), (15, 132481), (17, 116895), (51, 38965), (85, 23379), (255, 7793)]