31328613

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{13337}}^1$

素因数の和:13378

約数の個数: 20

約数和(自身を含む): 48416940

約数和(自身を除く): 17088327

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 13337, 40011, 120033, 360099, 386773, 1080297, 1160319, 3480957, 10442871, 31328613]

約数ペア:

[(1, 31328613), (3, 10442871), (9, 3480957), (27, 1160319), (29, 1080297), (81, 386773), (87, 360099), (261, 120033), (783, 40011), (2349, 13337)]