6400005

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3257}}^1$

素因数の和:3396

約数の個数: 16

約数和(自身を含む): 10321344

約数和(自身を除く): 3921339

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 3257, 9771, 16285, 48855, 426667, 1280001, 2133335, 6400005]

約数ペア:

[(1, 6400005), (3, 2133335), (5, 1280001), (15, 426667), (131, 48855), (393, 16285), (655, 9771), (1965, 3257)]