201211089

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 282009600

約数和(自身を除く): 80798511

約数列:

[1, 3, 47, 71, 101, 141, 199, 213, 303, 597, 3337, 4747, 7171, 9353, 10011, 14129, 14241, 20099, 21513, 28059, 42387, 60297, 337037, 664063, 944653, 1011111, 1427029, 1992189, 2833959, 4281087, 67070363, 201211089]

約数ペア:

[(1, 201211089), (3, 67070363), (47, 4281087), (71, 2833959), (101, 1992189), (141, 1427029), (199, 1011111), (213, 944653), (303, 664063), (597, 337037), (3337, 60297), (4747, 42387), (7171, 28059), (9353, 21513), (10011, 20099), (14129, 14241)]