27980469

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 44433792

約数和(自身を除く): 16453323

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 2063, 4521, 6189, 13563, 18567, 22693, 68079, 204237, 282631, 847893, 2543679, 3108941, 9326823, 27980469]

約数ペア:

[(1, 27980469), (3, 9326823), (9, 3108941), (11, 2543679), (33, 847893), (99, 282631), (137, 204237), (411, 68079), (1233, 22693), (1507, 18567), (2063, 13563), (4521, 6189)]