31179897

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 53774336

約数和(自身を除く): 22594439

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 381, 433, 567, 889, 1143, 1299, 2667, 3031, 3429, 3897, 8001, 9093, 10287, 11691, 24003, 27279, 35073, 54991, 72009, 81837, 164973, 245511, 384937, 494919, 1154811, 1484757, 3464433, 4454271, 10393299, 31179897]

約数ペア:

[(1, 31179897), (3, 10393299), (7, 4454271), (9, 3464433), (21, 1484757), (27, 1154811), (63, 494919), (81, 384937), (127, 245511), (189, 164973), (381, 81837), (433, 72009), (567, 54991), (889, 35073), (1143, 27279), (1299, 24003), (2667, 11691), (3031, 10287), (3429, 9093), (3897, 8001)]