28327491

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{10891}}^1$

素因数の和:10931

約数の個数: 18

約数和(自身を含む): 43469972

約数和(自身を除く): 15142481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 10891, 32673, 98019, 185147, 555441, 1666323, 3147499, 9442497, 28327491]

約数ペア:

[(1, 28327491), (3, 9442497), (9, 3147499), (17, 1666323), (51, 555441), (153, 185147), (289, 98019), (867, 32673), (2601, 10891)]