690686409

素因数分解:

$3^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{8087}}^1$

素因数の和:8194

約数の個数: 32

約数和(自身を含む): 1087027200

約数和(自身を除く): 396340791

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 343, 581, 1029, 1743, 4067, 8087, 12201, 24261, 28469, 56609, 85407, 169827, 396263, 671221, 1188789, 2013663, 2773841, 4698547, 8321523, 14095641, 32889829, 98669487, 230228803, 690686409]

約数ペア:

[(1, 690686409), (3, 230228803), (7, 98669487), (21, 32889829), (49, 14095641), (83, 8321523), (147, 4698547), (249, 2773841), (343, 2013663), (581, 1188789), (1029, 671221), (1743, 396263), (4067, 169827), (8087, 85407), (12201, 56609), (24261, 28469)]