1212307815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{5039}}^1$

素因数の和:5463

約数の個数: 32

約数和(自身を含む): 1990517760

約数和(自身を除く): 778209945

約数列:

[1, 3, 5, 15, 43, 129, 215, 373, 645, 1119, 1865, 5039, 5595, 15117, 16039, 25195, 48117, 75585, 80195, 216677, 240585, 650031, 1083385, 1879547, 3250155, 5638641, 9397735, 28193205, 80820521, 242461563, 404102605, 1212307815]

約数ペア:

[(1, 1212307815), (3, 404102605), (5, 242461563), (15, 80820521), (43, 28193205), (129, 9397735), (215, 5638641), (373, 3250155), (645, 1879547), (1119, 1083385), (1865, 650031), (5039, 240585), (5595, 216677), (15117, 80195), (16039, 75585), (25195, 48117)]