17700993

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 26687232

約数和(自身を除く): 8986239

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 863, 2279, 2589, 6837, 7767, 20511, 37109, 45739, 111327, 137217, 333981, 411651, 1966777, 5900331, 17700993]

約数ペア:

[(1, 17700993), (3, 5900331), (9, 1966777), (43, 411651), (53, 333981), (129, 137217), (159, 111327), (387, 45739), (477, 37109), (863, 20511), (2279, 7767), (2589, 6837)]