25608219

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4937}}^1$

素因数の和:4979

約数の個数: 32

約数和(自身を含む): 44244480

約数和(自身を除く): 18636261

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 4937, 5187, 14811, 34559, 64181, 93803, 103677, 192543, 281409, 449267, 656621, 1219439, 1347801, 1969863, 3658317, 8536073, 25608219]

約数ペア:

[(1, 25608219), (3, 8536073), (7, 3658317), (13, 1969863), (19, 1347801), (21, 1219439), (39, 656621), (57, 449267), (91, 281409), (133, 192543), (247, 103677), (273, 93803), (399, 64181), (741, 34559), (1729, 14811), (4937, 5187)]