1987623

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 3319056

約数和(自身を除く): 1331433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1181, 1683, 3543, 10629, 12991, 20077, 38973, 60231, 116919, 180693, 220847, 662541, 1987623]

約数ペア:

[(1, 1987623), (3, 662541), (9, 220847), (11, 180693), (17, 116919), (33, 60231), (51, 38973), (99, 20077), (153, 12991), (187, 10629), (561, 3543), (1181, 1683)]