78078771

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 123552000

約数和(自身を除く): 45473229

約数列:

[1, 3, 9, 19, 57, 59, 71, 109, 171, 177, 213, 327, 531, 639, 981, 1121, 1349, 2071, 3363, 4047, 4189, 6213, 6431, 7739, 10089, 12141, 12567, 18639, 19293, 23217, 37701, 57879, 69651, 79591, 122189, 147041, 238773, 366567, 441123, 456601, 716319, 1099701, 1323369, 1369803, 4109409, 8675419, 26026257, 78078771]

約数ペア:

[(1, 78078771), (3, 26026257), (9, 8675419), (19, 4109409), (57, 1369803), (59, 1323369), (71, 1099701), (109, 716319), (171, 456601), (177, 441123), (213, 366567), (327, 238773), (531, 147041), (639, 122189), (981, 79591), (1121, 69651), (1349, 57879), (2071, 37701), (3363, 23217), (4047, 19293), (4189, 18639), (6213, 12567), (6431, 12141), (7739, 10089)]