2077775

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 3047424

約数和(自身を除く): 969649

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 383, 775, 1085, 1915, 2681, 5425, 9575, 11873, 13405, 59365, 67025, 83111, 296825, 415555, 2077775]

約数ペア:

[(1, 2077775), (5, 415555), (7, 296825), (25, 83111), (31, 67025), (35, 59365), (155, 13405), (175, 11873), (217, 9575), (383, 5425), (775, 2681), (1085, 1915)]