7977987

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 12787200

約数和(自身を除く): 4809213

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 443, 621, 667, 783, 1329, 2001, 3987, 6003, 10189, 11961, 12847, 18009, 30567, 38541, 91701, 115623, 275103, 295481, 346869, 886443, 2659329, 7977987]

約数ペア:

[(1, 7977987), (3, 2659329), (9, 886443), (23, 346869), (27, 295481), (29, 275103), (69, 115623), (87, 91701), (207, 38541), (261, 30567), (443, 18009), (621, 12847), (667, 11961), (783, 10189), (1329, 6003), (2001, 3987)]