83778651

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 143078400

約数和(自身を除く): 59299749

約数列:

[1, 3, 9, 11, 27, 29, 33, 71, 87, 99, 137, 213, 261, 297, 319, 411, 639, 781, 783, 957, 1233, 1507, 1917, 2059, 2343, 2871, 3699, 3973, 4521, 6177, 7029, 8613, 9727, 11919, 13563, 18531, 21087, 22649, 29181, 35757, 40689, 43703, 55593, 67947, 87543, 106997, 107271, 131109, 203841, 262629, 282083, 320991, 393327, 611523, 846249, 962973, 1179981, 2538747, 2888919, 3102913, 7616241, 9308739, 27926217, 83778651]

約数ペア:

[(1, 83778651), (3, 27926217), (9, 9308739), (11, 7616241), (27, 3102913), (29, 2888919), (33, 2538747), (71, 1179981), (87, 962973), (99, 846249), (137, 611523), (213, 393327), (261, 320991), (297, 282083), (319, 262629), (411, 203841), (639, 131109), (781, 107271), (783, 106997), (957, 87543), (1233, 67947), (1507, 55593), (1917, 43703), (2059, 40689), (2343, 35757), (2871, 29181), (3699, 22649), (3973, 21087), (4521, 18531), (6177, 13563), (7029, 11919), (8613, 9727)]