378392847

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{135479}}^1$

素因数の和:135515

約数の個数: 24

約数和(自身を含む): 617788800

約数和(自身を除く): 239395953

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 135479, 406437, 948353, 2574101, 2845059, 6638471, 7722303, 18018707, 19915413, 54056121, 126130949, 378392847]

約数ペア:

[(1, 378392847), (3, 126130949), (7, 54056121), (19, 19915413), (21, 18018707), (49, 7722303), (57, 6638471), (133, 2845059), (147, 2574101), (399, 948353), (931, 406437), (2793, 135479)]