31661361

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{22993}}^1$

素因数の和:23022

約数の個数: 20

約数和(自身を含む): 50080932

約数和(自身を除く): 18419571

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 22993, 68979, 206937, 390881, 620811, 1172643, 1862433, 3517929, 10553787, 31661361]

約数ペア:

[(1, 31661361), (3, 10553787), (9, 3517929), (17, 1862433), (27, 1172643), (51, 620811), (81, 390881), (153, 206937), (459, 68979), (1377, 22993)]