2145745

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 2976768

約数和(自身を除く): 831023

約数列:

[1, 5, 7, 35, 101, 505, 607, 707, 3035, 3535, 4249, 21245, 61307, 306535, 429149, 2145745]

約数ペア:

[(1, 2145745), (5, 429149), (7, 306535), (35, 61307), (101, 21245), (505, 4249), (607, 3535), (707, 3035)]