15897447

素因数分解:

$3^2\times {\mathrm{89}}^2\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 18

約数和(自身を含む): 23328032

約数和(自身を除く): 7430585

約数列:

[1, 3, 9, 89, 223, 267, 669, 801, 2007, 7921, 19847, 23763, 59541, 71289, 178623, 1766383, 5299149, 15897447]

約数ペア:

[(1, 15897447), (3, 5299149), (9, 1766383), (89, 178623), (223, 71289), (267, 59541), (669, 23763), (801, 19847), (2007, 7921)]