71020803

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 121651200

約数和(自身を除く): 50630397

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 71, 109, 133, 161, 213, 327, 399, 437, 483, 497, 763, 1311, 1349, 1491, 1633, 2071, 2289, 2507, 3059, 4047, 4899, 6213, 7521, 7739, 9177, 9443, 11431, 14497, 17549, 23217, 28329, 31027, 34293, 43491, 47633, 52647, 54173, 93081, 142899, 147041, 162519, 177997, 217189, 333431, 441123, 533991, 651567, 1000293, 1029287, 1245979, 3087861, 3381943, 3737937, 10145829, 23673601, 71020803]

約数ペア:

[(1, 71020803), (3, 23673601), (7, 10145829), (19, 3737937), (21, 3381943), (23, 3087861), (57, 1245979), (69, 1029287), (71, 1000293), (109, 651567), (133, 533991), (161, 441123), (213, 333431), (327, 217189), (399, 177997), (437, 162519), (483, 147041), (497, 142899), (763, 93081), (1311, 54173), (1349, 52647), (1491, 47633), (1633, 43491), (2071, 34293), (2289, 31027), (2507, 28329), (3059, 23217), (4047, 17549), (4899, 14497), (6213, 11431), (7521, 9443), (7739, 9177)]