12840309

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{4363}}^1$

素因数の和:4481

約数の個数: 16

約数和(自身を含む): 19201600

約数和(自身を除く): 6361291

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 4363, 13089, 39267, 117801, 475567, 1426701, 4280103, 12840309]

約数ペア:

[(1, 12840309), (3, 4280103), (9, 1426701), (27, 475567), (109, 117801), (327, 39267), (981, 13089), (2943, 4363)]