81128859

素因数分解:

$3^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{1741}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 126301968

約数和(自身を除く): 45173109

約数列:

[1, 3, 7, 21, 49, 147, 317, 951, 1741, 2219, 5223, 6657, 12187, 15533, 36561, 46599, 85309, 255927, 551897, 1655691, 3863279, 11589837, 27042953, 81128859]

約数ペア:

[(1, 81128859), (3, 27042953), (7, 11589837), (21, 3863279), (49, 1655691), (147, 551897), (317, 255927), (951, 85309), (1741, 46599), (2219, 36561), (5223, 15533), (6657, 12187)]