201990021123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{278489}}^1$

素因数の和:279243

約数の個数: 32

約数和(自身を含む): 303710054400

約数和(自身を除く): 101720033277

約数列:

[1, 3, 11, 31, 33, 93, 341, 709, 1023, 2127, 7799, 21979, 23397, 65937, 241769, 278489, 725307, 835467, 3063379, 8633159, 9190137, 25899477, 94964749, 197448701, 284894247, 592346103, 2171935711, 6120909731, 6515807133, 18362729193, 67330007041, 201990021123]

約数ペア:

[(1, 201990021123), (3, 67330007041), (11, 18362729193), (31, 6515807133), (33, 6120909731), (93, 2171935711), (341, 592346103), (709, 284894247), (1023, 197448701), (2127, 94964749), (7799, 25899477), (21979, 9190137), (23397, 8633159), (65937, 3063379), (241769, 835467), (278489, 725307)]