199955721

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59141}}^1$

素因数の和:59181

約数の個数: 24

約数和(自身を含む): 323625024

約数和(自身を除く): 123669303

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 59141, 177423, 413987, 1241961, 1360243, 2897909, 4080729, 8693727, 9521701, 28565103, 66651907, 199955721]

約数ペア:

[(1, 199955721), (3, 66651907), (7, 28565103), (21, 9521701), (23, 8693727), (49, 4080729), (69, 2897909), (147, 1360243), (161, 1241961), (483, 413987), (1127, 177423), (3381, 59141)]