2252691

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 4007520

約数和(自身を除く): 1754829

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 137, 189, 203, 261, 411, 567, 609, 783, 959, 1233, 1827, 2349, 2877, 3699, 3973, 5481, 8631, 11097, 11919, 16443, 25893, 27811, 35757, 77679, 83433, 107271, 250299, 321813, 750897, 2252691]

約数ペア:

[(1, 2252691), (3, 750897), (7, 321813), (9, 250299), (21, 107271), (27, 83433), (29, 77679), (63, 35757), (81, 27811), (87, 25893), (137, 16443), (189, 11919), (203, 11097), (261, 8631), (411, 5481), (567, 3973), (609, 3699), (783, 2877), (959, 2349), (1233, 1827)]