28915929

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:92

約数の個数: 96

約数和(自身を含む): 56160000

約数和(自身を除く): 27244071

約数列:

[1, 3, 7, 9, 17, 19, 21, 29, 49, 51, 57, 63, 87, 119, 133, 147, 153, 171, 203, 261, 323, 343, 357, 399, 441, 493, 551, 609, 833, 931, 969, 1029, 1071, 1197, 1421, 1479, 1653, 1827, 2261, 2499, 2793, 2907, 3087, 3451, 3857, 4263, 4437, 4959, 5831, 6517, 6783, 7497, 8379, 9367, 9947, 10353, 11571, 12789, 15827, 17493, 19551, 20349, 24157, 26999, 28101, 29841, 31059, 34713, 47481, 52479, 58653, 65569, 72471, 80997, 84303, 89523, 110789, 142443, 169099, 188993, 196707, 217413, 242991, 332367, 458983, 507297, 566979, 590121, 997101, 1376949, 1521891, 1700937, 3212881, 4130847, 9638643, 28915929]

約数ペア:

[(1, 28915929), (3, 9638643), (7, 4130847), (9, 3212881), (17, 1700937), (19, 1521891), (21, 1376949), (29, 997101), (49, 590121), (51, 566979), (57, 507297), (63, 458983), (87, 332367), (119, 242991), (133, 217413), (147, 196707), (153, 188993), (171, 169099), (203, 142443), (261, 110789), (323, 89523), (343, 84303), (357, 80997), (399, 72471), (441, 65569), (493, 58653), (551, 52479), (609, 47481), (833, 34713), (931, 31059), (969, 29841), (1029, 28101), (1071, 26999), (1197, 24157), (1421, 20349), (1479, 19551), (1653, 17493), (1827, 15827), (2261, 12789), (2499, 11571), (2793, 10353), (2907, 9947), (3087, 9367), (3451, 8379), (3857, 7497), (4263, 6783), (4437, 6517), (4959, 5831)]