28991343

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 39344256

約数和(自身を除く): 10352913

約数列:

[1, 3, 101, 163, 303, 489, 587, 1761, 16463, 49389, 59287, 95681, 177861, 287043, 9663781, 28991343]

約数ペア:

[(1, 28991343), (3, 9663781), (101, 287043), (163, 177861), (303, 95681), (489, 59287), (587, 49389), (1761, 16463)]