42780231

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{40627}}^1$

素因数の和:40652

約数の個数: 20

約数和(自身を含む): 68823832

約数和(自身を除く): 26043601

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 40627, 121881, 365643, 528151, 1096929, 1584453, 3290787, 4753359, 14260077, 42780231]

約数ペア:

[(1, 42780231), (3, 14260077), (9, 4753359), (13, 3290787), (27, 1584453), (39, 1096929), (81, 528151), (117, 365643), (351, 121881), (1053, 40627)]