31230432009

素因数分解:

$3^4\times 7^1\times {\mathrm{55080127}}^1$

素因数の和:55080146

約数の個数: 20

約数和(自身を含む): 53317563904

約数和(自身を除く): 22087131895

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 55080127, 165240381, 385560889, 495721143, 1156682667, 1487163429, 3470048001, 4461490287, 10410144003, 31230432009]

約数ペア:

[(1, 31230432009), (3, 10410144003), (7, 4461490287), (9, 3470048001), (21, 1487163429), (27, 1156682667), (63, 495721143), (81, 385560889), (189, 165240381), (567, 55080127)]