15604001

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 19152000

約数和(自身を除く): 3547999

約数列:

[1, 7, 29, 49, 79, 139, 203, 553, 973, 1421, 2291, 3871, 4031, 6811, 10981, 16037, 28217, 76867, 112259, 197519, 318449, 538069, 2229143, 15604001]

約数ペア:

[(1, 15604001), (7, 2229143), (29, 538069), (49, 318449), (79, 197519), (139, 112259), (203, 76867), (553, 28217), (973, 16037), (1421, 10981), (2291, 6811), (3871, 4031)]