981387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 1617408

約数和(自身を除く): 636021

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 431, 759, 1293, 2277, 3879, 4741, 9913, 14223, 29739, 42669, 89217, 109043, 327129, 981387]

約数ペア:

[(1, 981387), (3, 327129), (9, 109043), (11, 89217), (23, 42669), (33, 29739), (69, 14223), (99, 9913), (207, 4741), (253, 3879), (431, 2277), (759, 1293)]