39979779

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{21391}}^1$

素因数の和:21490

約数の個数: 16

約数和(自身を含む): 61608960

約数和(自身を除く): 21629181

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 21391, 64173, 149737, 449211, 1903799, 5711397, 13326593, 39979779]

約数ペア:

[(1, 39979779), (3, 13326593), (7, 5711397), (21, 1903799), (89, 449211), (267, 149737), (623, 64173), (1869, 21391)]