22780149

素因数分解:

$3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{439}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 35513280

約数和(自身を除く): 12733131

約数列:

[1, 3, 7, 21, 49, 147, 353, 439, 1059, 1317, 2471, 3073, 7413, 9219, 17297, 21511, 51891, 64533, 154967, 464901, 1084769, 3254307, 7593383, 22780149]

約数ペア:

[(1, 22780149), (3, 7593383), (7, 3254307), (21, 1084769), (49, 464901), (147, 154967), (353, 64533), (439, 51891), (1059, 21511), (1317, 17297), (2471, 9219), (3073, 7413)]