81749175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 144803232

約数和(自身を除く): 63054057

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 255, 291, 425, 485, 661, 1275, 1455, 1649, 1983, 2425, 3305, 4947, 7275, 8245, 9915, 11237, 16525, 24735, 33711, 41225, 49575, 56185, 64117, 123675, 168555, 192351, 280925, 320585, 842775, 961755, 1089989, 1602925, 3269967, 4808775, 5449945, 16349835, 27249725, 81749175]

約数ペア:

[(1, 81749175), (3, 27249725), (5, 16349835), (15, 5449945), (17, 4808775), (25, 3269967), (51, 1602925), (75, 1089989), (85, 961755), (97, 842775), (255, 320585), (291, 280925), (425, 192351), (485, 168555), (661, 123675), (1275, 64117), (1455, 56185), (1649, 49575), (1983, 41225), (2425, 33711), (3305, 24735), (4947, 16525), (7275, 11237), (8245, 9915)]