28396719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1489}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 44473520

約数和(自身を除く): 16076801

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1467, 1489, 2119, 4467, 6357, 13401, 19071, 19357, 58071, 174213, 242707, 728121, 2184363, 3155191, 9465573, 28396719]

約数ペア:

[(1, 28396719), (3, 9465573), (9, 3155191), (13, 2184363), (39, 728121), (117, 242707), (163, 174213), (489, 58071), (1467, 19357), (1489, 19071), (2119, 13401), (4467, 6357)]