189254235

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1303}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 316965888

約数和(自身を除く): 127711653

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 421, 1263, 1303, 2105, 3909, 6315, 6515, 9683, 19545, 29049, 29969, 48415, 89907, 145245, 149845, 449535, 548563, 1645689, 2742815, 8228445, 12616949, 37850847, 63084745, 189254235]

約数ペア:

[(1, 189254235), (3, 63084745), (5, 37850847), (15, 12616949), (23, 8228445), (69, 2742815), (115, 1645689), (345, 548563), (421, 449535), (1263, 149845), (1303, 145245), (2105, 89907), (3909, 48415), (6315, 29969), (6515, 29049), (9683, 19545)]