17992215

素因数分解:

$3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 31288608

約数和(自身を除く): 13296393

約数列:

[1, 3, 5, 9, 15, 45, 487, 821, 1461, 2435, 2463, 4105, 4383, 7305, 7389, 12315, 21915, 36945, 399827, 1199481, 1999135, 3598443, 5997405, 17992215]

約数ペア:

[(1, 17992215), (3, 5997405), (5, 3598443), (9, 1999135), (15, 1199481), (45, 399827), (487, 36945), (821, 21915), (1461, 12315), (2435, 7389), (2463, 7305), (4105, 4383)]