8238321

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 15321600

約数和(自身を除く): 7083279

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 479, 637, 819, 1323, 1437, 1911, 2457, 3353, 4311, 5733, 6227, 10059, 12933, 17199, 18681, 23471, 30177, 43589, 56043, 70413, 90531, 130767, 168129, 211239, 305123, 392301, 633717, 915369, 1176903, 2746107, 8238321]

約数ペア:

[(1, 8238321), (3, 2746107), (7, 1176903), (9, 915369), (13, 633717), (21, 392301), (27, 305123), (39, 211239), (49, 168129), (63, 130767), (91, 90531), (117, 70413), (147, 56043), (189, 43589), (273, 30177), (351, 23471), (441, 18681), (479, 17199), (637, 12933), (819, 10059), (1323, 6227), (1437, 5733), (1911, 4311), (2457, 3353)]