28565889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 43642368

約数和(自身を除く): 15076479

約数列:

[1, 3, 11, 33, 41, 43, 123, 129, 451, 473, 491, 1353, 1419, 1473, 1763, 5289, 5401, 16203, 19393, 20131, 21113, 58179, 60393, 63339, 221441, 232243, 664323, 696729, 865633, 2596899, 9521963, 28565889]

約数ペア:

[(1, 28565889), (3, 9521963), (11, 2596899), (33, 865633), (41, 696729), (43, 664323), (123, 232243), (129, 221441), (451, 63339), (473, 60393), (491, 58179), (1353, 21113), (1419, 20131), (1473, 19393), (1763, 16203), (5289, 5401)]