8172819

素因数分解:

$3^7\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 12713280

約数和(自身を除く): 4540461

約数列:

[1, 3, 9, 27, 37, 81, 101, 111, 243, 303, 333, 729, 909, 999, 2187, 2727, 2997, 3737, 8181, 8991, 11211, 24543, 26973, 33633, 73629, 80919, 100899, 220887, 302697, 908091, 2724273, 8172819]

約数ペア:

[(1, 8172819), (3, 2724273), (9, 908091), (27, 302697), (37, 220887), (81, 100899), (101, 80919), (111, 73629), (243, 33633), (303, 26973), (333, 24543), (729, 11211), (909, 8991), (999, 8181), (2187, 3737), (2727, 2997)]