550389231

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4243}}^1$

素因数の和:4356

約数の個数: 48

約数和(自身を含む): 953372160

約数和(自身を除く): 402982929

約数列:

[1, 3, 7, 9, 21, 29, 63, 71, 87, 203, 213, 261, 497, 609, 639, 1491, 1827, 2059, 4243, 4473, 6177, 12729, 14413, 18531, 29701, 38187, 43239, 89103, 123047, 129717, 267309, 301253, 369141, 861329, 903759, 1107423, 2108771, 2583987, 2711277, 6326313, 7751961, 8736337, 18978939, 26209011, 61154359, 78627033, 183463077, 550389231]

約数ペア:

[(1, 550389231), (3, 183463077), (7, 78627033), (9, 61154359), (21, 26209011), (29, 18978939), (63, 8736337), (71, 7751961), (87, 6326313), (203, 2711277), (213, 2583987), (261, 2108771), (497, 1107423), (609, 903759), (639, 861329), (1491, 369141), (1827, 301253), (2059, 267309), (4243, 129717), (4473, 123047), (6177, 89103), (12729, 43239), (14413, 38187), (18531, 29701)]