28884717

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2659}}^1$

素因数の和:2753

約数の個数: 24

約数和(自身を含む): 44815680

約数和(自身を除く): 15930963

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 2659, 3621, 7977, 10863, 23931, 45203, 135609, 188789, 406827, 566367, 1699101, 3209413, 9628239, 28884717]

約数ペア:

[(1, 28884717), (3, 9628239), (9, 3209413), (17, 1699101), (51, 566367), (71, 406827), (153, 188789), (213, 135609), (639, 45203), (1207, 23931), (2659, 10863), (3621, 7977)]