40439847

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{14479}}^1$

素因数の和:14515

約数の個数: 24

約数和(自身を含む): 66028800

約数和(自身を除く): 25588953

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 14479, 43437, 101353, 275101, 304059, 709471, 825303, 1925707, 2128413, 5777121, 13479949, 40439847]

約数ペア:

[(1, 40439847), (3, 13479949), (7, 5777121), (19, 2128413), (21, 1925707), (49, 825303), (57, 709471), (133, 304059), (147, 275101), (399, 101353), (931, 43437), (2793, 14479)]