51585021

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 83700864

約数和(自身を除く): 32115843

約数列:

[1, 3, 9, 17, 23, 51, 69, 107, 137, 153, 207, 321, 391, 411, 963, 1173, 1233, 1819, 2329, 2461, 3151, 3519, 5457, 6987, 7383, 9453, 14659, 16371, 20961, 22149, 28359, 41837, 43977, 53567, 125511, 131931, 160701, 249203, 337157, 376533, 482103, 747609, 1011471, 2242827, 3034413, 5731669, 17195007, 51585021]

約数ペア:

[(1, 51585021), (3, 17195007), (9, 5731669), (17, 3034413), (23, 2242827), (51, 1011471), (69, 747609), (107, 482103), (137, 376533), (153, 337157), (207, 249203), (321, 160701), (391, 131931), (411, 125511), (963, 53567), (1173, 43977), (1233, 41837), (1819, 28359), (2329, 22149), (2461, 20961), (3151, 16371), (3519, 14659), (5457, 9453), (6987, 7383)]