249454971

素因数分解:

$3^4\times {\mathrm{19}}^3\times {\mathrm{449}}^1$

素因数の和:518

約数の個数: 40

約数和(自身を含む): 394218000

約数和(自身を除く): 144763029

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 361, 449, 513, 1083, 1347, 1539, 3249, 4041, 6859, 8531, 9747, 12123, 20577, 25593, 29241, 36369, 61731, 76779, 162089, 185193, 230337, 486267, 555579, 691011, 1458801, 3079691, 4376403, 9239073, 13129209, 27717219, 83151657, 249454971]

約数ペア:

[(1, 249454971), (3, 83151657), (9, 27717219), (19, 13129209), (27, 9239073), (57, 4376403), (81, 3079691), (171, 1458801), (361, 691011), (449, 555579), (513, 486267), (1083, 230337), (1347, 185193), (1539, 162089), (3249, 76779), (4041, 61731), (6859, 36369), (8531, 29241), (9747, 25593), (12123, 20577)]