81294765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 146313216

約数和(自身を除く): 65018451

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 83, 85, 115, 167, 249, 255, 345, 391, 415, 501, 835, 1173, 1245, 1411, 1909, 1955, 2505, 2839, 3841, 4233, 5727, 5865, 7055, 8517, 9545, 11523, 13861, 14195, 19205, 21165, 28635, 32453, 41583, 42585, 57615, 65297, 69305, 97359, 162265, 195891, 207915, 235637, 318803, 326485, 486795, 706911, 956409, 979455, 1178185, 1594015, 3534555, 4782045, 5419651, 16258953, 27098255, 81294765]

約数ペア:

[(1, 81294765), (3, 27098255), (5, 16258953), (15, 5419651), (17, 4782045), (23, 3534555), (51, 1594015), (69, 1178185), (83, 979455), (85, 956409), (115, 706911), (167, 486795), (249, 326485), (255, 318803), (345, 235637), (391, 207915), (415, 195891), (501, 162265), (835, 97359), (1173, 69305), (1245, 65297), (1411, 57615), (1909, 42585), (1955, 41583), (2505, 32453), (2839, 28635), (3841, 21165), (4233, 19205), (5727, 14195), (5865, 13861), (7055, 11523), (8517, 9545)]