16740387

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 25625600

約数和(自身を除く): 8885213

約数列:

[1, 3, 9, 19, 57, 171, 223, 439, 669, 1317, 2007, 3951, 4237, 8341, 12711, 25023, 38133, 75069, 97897, 293691, 881073, 1860043, 5580129, 16740387]

約数ペア:

[(1, 16740387), (3, 5580129), (9, 1860043), (19, 881073), (57, 293691), (171, 97897), (223, 75069), (439, 38133), (669, 25023), (1317, 12711), (2007, 8341), (3951, 4237)]