816986979

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{438533}}^1$

素因数の和:438568

約数の個数: 20

約数和(自身を含む): 1273502736

約数和(自身を除く): 456515757

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 438533, 1315599, 3946797, 10086259, 11840391, 30258777, 35521173, 90776331, 272328993, 816986979]

約数ペア:

[(1, 816986979), (3, 272328993), (9, 90776331), (23, 35521173), (27, 30258777), (69, 11840391), (81, 10086259), (207, 3946797), (621, 1315599), (1863, 438533)]