2221308831

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1\times {\mathrm{2903}}^1$

素因数の和:3435

約数の個数: 32

約数和(自身を含む): 3434618880

約数和(自身を除く): 1213310049

約数列:

[1, 3, 7, 21, 83, 249, 439, 581, 1317, 1743, 2903, 3073, 8709, 9219, 20321, 36437, 60963, 109311, 240949, 255059, 722847, 765177, 1274417, 1686643, 3823251, 5059929, 8920919, 26762757, 105776611, 317329833, 740436277, 2221308831]

約数ペア:

[(1, 2221308831), (3, 740436277), (7, 317329833), (21, 105776611), (83, 26762757), (249, 8920919), (439, 5059929), (581, 3823251), (1317, 1686643), (1743, 1274417), (2903, 765177), (3073, 722847), (8709, 255059), (9219, 240949), (20321, 109311), (36437, 60963)]