133781907

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{2521}}^1$

素因数の和:2576

約数の個数: 36

約数和(自身を含む): 219081096

約数和(自身を除く): 85299189

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 931, 1083, 2521, 2527, 2793, 7563, 7581, 17647, 17689, 47899, 52941, 53067, 123529, 143697, 335293, 370587, 910081, 1005879, 2347051, 2730243, 6370567, 7041153, 19111701, 44593969, 133781907]

約数ペア:

[(1, 133781907), (3, 44593969), (7, 19111701), (19, 7041153), (21, 6370567), (49, 2730243), (57, 2347051), (133, 1005879), (147, 910081), (361, 370587), (399, 335293), (931, 143697), (1083, 123529), (2521, 53067), (2527, 52941), (2793, 47899), (7563, 17689), (7581, 17647)]