831728493

素因数分解:

$3^6\times {\mathrm{73}}^1\times {\mathrm{15629}}^1$

素因数の和:15720

約数の個数: 28

約数和(自身を含む): 1264185660

約数和(自身を除く): 432457167

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 729, 1971, 5913, 15629, 17739, 46887, 53217, 140661, 421983, 1140917, 1265949, 3422751, 3797847, 10268253, 11393541, 30804759, 92414277, 277242831, 831728493]

約数ペア:

[(1, 831728493), (3, 277242831), (9, 92414277), (27, 30804759), (73, 11393541), (81, 10268253), (219, 3797847), (243, 3422751), (657, 1265949), (729, 1140917), (1971, 421983), (5913, 140661), (15629, 53217), (17739, 46887)]