20121127947

素因数分解:

$3^4\times {\mathrm{4931}}^1\times {\mathrm{50377}}^1$

素因数の和:55320

約数の個数: 20

約数和(自身を含む): 30064179816

約数和(自身を除く): 9943051869

約数列:

[1, 3, 9, 27, 81, 4931, 14793, 44379, 50377, 133137, 151131, 399411, 453393, 1360179, 4080537, 248408987, 745226961, 2235680883, 6707042649, 20121127947]

約数ペア:

[(1, 20121127947), (3, 6707042649), (9, 2235680883), (27, 745226961), (81, 248408987), (4931, 4080537), (14793, 1360179), (44379, 453393), (50377, 399411), (133137, 151131)]