42131915

素因数分解:

$5^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{449}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 59097600

約数和(自身を除く): 16965685

約数列:

[1, 5, 7, 35, 49, 245, 383, 449, 1915, 2245, 2681, 3143, 13405, 15715, 18767, 22001, 93835, 110005, 171967, 859835, 1203769, 6018845, 8426383, 42131915]

約数ペア:

[(1, 42131915), (5, 8426383), (7, 6018845), (35, 1203769), (49, 859835), (245, 171967), (383, 110005), (449, 93835), (1915, 22001), (2245, 18767), (2681, 15715), (3143, 13405)]