13683985

素因数分解:

$5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 19584000

約数和(自身を除く): 5900015

約数列:

[1, 5, 7, 35, 49, 79, 101, 245, 343, 395, 505, 553, 707, 1715, 2765, 3535, 3871, 4949, 7979, 19355, 24745, 27097, 34643, 39895, 55853, 135485, 173215, 279265, 390971, 1954855, 2736797, 13683985]

約数ペア:

[(1, 13683985), (5, 2736797), (7, 1954855), (35, 390971), (49, 279265), (79, 173215), (101, 135485), (245, 55853), (343, 39895), (395, 34643), (505, 27097), (553, 24745), (707, 19355), (1715, 7979), (2765, 4949), (3535, 3871)]