27918657

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 36

約数和(自身を含む): 45904404

約数和(自身を除く): 17985747

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 361, 661, 741, 1083, 1983, 2223, 3249, 4693, 5949, 8593, 12559, 14079, 25779, 37677, 42237, 77337, 113031, 163267, 238621, 489801, 715863, 1469403, 2147589, 3102073, 9306219, 27918657]

約数ペア:

[(1, 27918657), (3, 9306219), (9, 3102073), (13, 2147589), (19, 1469403), (39, 715863), (57, 489801), (117, 238621), (171, 163267), (247, 113031), (361, 77337), (661, 42237), (741, 37677), (1083, 25779), (1983, 14079), (2223, 12559), (3249, 8593), (4693, 5949)]