63871983

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 110026752

約数和(自身を除く): 46154769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 381, 567, 887, 889, 1143, 2661, 2667, 3429, 6209, 7983, 8001, 10287, 18627, 23949, 24003, 55881, 71847, 72009, 112649, 167643, 337947, 502929, 788543, 1013841, 2365629, 3041523, 7096887, 9124569, 21290661, 63871983]

約数ペア:

[(1, 63871983), (3, 21290661), (7, 9124569), (9, 7096887), (21, 3041523), (27, 2365629), (63, 1013841), (81, 788543), (127, 502929), (189, 337947), (381, 167643), (567, 112649), (887, 72009), (889, 71847), (1143, 55881), (2661, 24003), (2667, 23949), (3429, 18627), (6209, 10287), (7983, 8001)]