7848981

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 13629440

約数和(自身を除く): 5780459

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 127, 189, 327, 381, 567, 763, 889, 981, 1143, 2289, 2667, 2943, 3429, 6867, 8001, 8829, 10287, 13843, 20601, 24003, 41529, 61803, 72009, 96901, 124587, 290703, 373761, 872109, 1121283, 2616327, 7848981]

約数ペア:

[(1, 7848981), (3, 2616327), (7, 1121283), (9, 872109), (21, 373761), (27, 290703), (63, 124587), (81, 96901), (109, 72009), (127, 61803), (189, 41529), (327, 24003), (381, 20601), (567, 13843), (763, 10287), (889, 8829), (981, 8001), (1143, 6867), (2289, 3429), (2667, 2943)]