291216081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{823}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 430431232

約数和(自身を除く): 139215151

約数列:

[1, 3, 13, 39, 43, 129, 211, 559, 633, 823, 1677, 2469, 2743, 8229, 9073, 10699, 27219, 32097, 35389, 106167, 117949, 173653, 353847, 460057, 520959, 1380171, 2257489, 6772467, 7467079, 22401237, 97072027, 291216081]

約数ペア:

[(1, 291216081), (3, 97072027), (13, 22401237), (39, 7467079), (43, 6772467), (129, 2257489), (211, 1380171), (559, 520959), (633, 460057), (823, 353847), (1677, 173653), (2469, 117949), (2743, 106167), (8229, 35389), (9073, 32097), (10699, 27219)]