28740987

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{32257}}^1$

素因数の和:32280

約数の個数: 20

約数和(自身を含む): 46838616

約数和(自身を除く): 18097629

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 32257, 96771, 290313, 354827, 870939, 1064481, 2612817, 3193443, 9580329, 28740987]

約数ペア:

[(1, 28740987), (3, 9580329), (9, 3193443), (11, 2612817), (27, 1064481), (33, 870939), (81, 354827), (99, 290313), (297, 96771), (891, 32257)]