28971513

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15551}}^1$

素因数の和:15586

約数の個数: 20

約数和(自身を含む): 45163008

約数和(自身を除く): 16191495

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15551, 46653, 139959, 357673, 419877, 1073019, 1259631, 3219057, 9657171, 28971513]

約数ペア:

[(1, 28971513), (3, 9657171), (9, 3219057), (23, 1259631), (27, 1073019), (69, 419877), (81, 357673), (207, 139959), (621, 46653), (1863, 15551)]