22112211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 33331968

約数和(自身を除く): 11219757

約数列:

[1, 3, 11, 33, 67, 73, 137, 201, 219, 411, 737, 803, 1507, 2211, 2409, 4521, 4891, 9179, 10001, 14673, 27537, 30003, 53801, 100969, 110011, 161403, 302907, 330033, 670067, 2010201, 7370737, 22112211]

約数ペア:

[(1, 22112211), (3, 7370737), (11, 2010201), (33, 670067), (67, 330033), (73, 302907), (137, 161403), (201, 110011), (219, 100969), (411, 53801), (737, 30003), (803, 27537), (1507, 14673), (2211, 10001), (2409, 9179), (4521, 4891)]