2011284387

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1680271}}^1$

素因数の和:1680303

約数の個数: 24

約数和(自身を含む): 3494965760

約数和(自身を除く): 1483681373

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1680271, 5040813, 11761897, 15122439, 31925149, 35285691, 95775447, 105857073, 223476043, 287326341, 670428129, 2011284387]

約数ペア:

[(1, 2011284387), (3, 670428129), (7, 287326341), (9, 223476043), (19, 105857073), (21, 95775447), (57, 35285691), (63, 31925149), (133, 15122439), (171, 11761897), (399, 5040813), (1197, 1680271)]