1330987707

素因数分解:

$3^4\times 7^1\times {\mathrm{2347421}}^1$

素因数の和:2347440

約数の個数: 20

約数和(自身を含む): 2272304496

約数和(自身を除く): 941316789

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2347421, 7042263, 16431947, 21126789, 49295841, 63380367, 147887523, 190141101, 443662569, 1330987707]

約数ペア:

[(1, 1330987707), (3, 443662569), (7, 190141101), (9, 147887523), (21, 63380367), (27, 49295841), (63, 21126789), (81, 16431947), (189, 7042263), (567, 2347421)]