209462757

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{541}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 324679680

約数和(自身を除く): 115216923

約数列:

[1, 3, 7, 21, 103, 179, 309, 537, 541, 721, 1253, 1623, 2163, 3759, 3787, 11361, 18437, 55311, 55723, 96839, 129059, 167169, 290517, 387177, 390061, 677873, 1170183, 2033619, 9974417, 29923251, 69820919, 209462757]

約数ペア:

[(1, 209462757), (3, 69820919), (7, 29923251), (21, 9974417), (103, 2033619), (179, 1170183), (309, 677873), (537, 390061), (541, 387177), (721, 290517), (1253, 167169), (1623, 129059), (2163, 96839), (3759, 55723), (3787, 55311), (11361, 18437)]