31314519

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{13331}}^1$

素因数の和:13372

約数の個数: 20

約数和(自身を含む): 48395160

約数和(自身を除く): 17080641

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 13331, 39993, 119979, 359937, 386599, 1079811, 1159797, 3479391, 10438173, 31314519]

約数ペア:

[(1, 31314519), (3, 10438173), (9, 3479391), (27, 1159797), (29, 1079811), (81, 386599), (87, 359937), (261, 119979), (783, 39993), (2349, 13331)]