1521891

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 2808000

約数和(自身を除く): 1286109

約数列:

[1, 3, 7, 9, 17, 21, 29, 49, 51, 63, 87, 119, 147, 153, 203, 261, 343, 357, 441, 493, 609, 833, 1029, 1071, 1421, 1479, 1827, 2499, 3087, 3451, 4263, 4437, 5831, 7497, 9947, 10353, 12789, 17493, 24157, 29841, 31059, 52479, 72471, 89523, 169099, 217413, 507297, 1521891]

約数ペア:

[(1, 1521891), (3, 507297), (7, 217413), (9, 169099), (17, 89523), (21, 72471), (29, 52479), (49, 31059), (51, 29841), (63, 24157), (87, 17493), (119, 12789), (147, 10353), (153, 9947), (203, 7497), (261, 5831), (343, 4437), (357, 4263), (441, 3451), (493, 3087), (609, 2499), (833, 1827), (1029, 1479), (1071, 1421)]