2520221445

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{888967}}^1$

素因数の和:888991

約数の個数: 40

約数和(自身を含む): 5163126144

約数和(自身を除く): 2642904699

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 888967, 2666901, 4444835, 6222769, 8000703, 13334505, 18668307, 24002109, 31113845, 40003515, 56004921, 72006327, 93341535, 120010545, 168014763, 280024605, 360031635, 504044289, 840073815, 2520221445]

約数ペア:

[(1, 2520221445), (3, 840073815), (5, 504044289), (7, 360031635), (9, 280024605), (15, 168014763), (21, 120010545), (27, 93341535), (35, 72006327), (45, 56004921), (63, 40003515), (81, 31113845), (105, 24002109), (135, 18668307), (189, 13334505), (315, 8000703), (405, 6222769), (567, 4444835), (945, 2666901), (2835, 888967)]