2840565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 5596416

約数和(自身を除く): 2755851

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 2081, 6243, 10405, 14567, 27053, 31215, 43701, 72835, 81159, 135265, 189371, 218505, 405795, 568113, 946855, 2840565]

約数ペア:

[(1, 2840565), (3, 946855), (5, 568113), (7, 405795), (13, 218505), (15, 189371), (21, 135265), (35, 81159), (39, 72835), (65, 43701), (91, 31215), (105, 27053), (195, 14567), (273, 10405), (455, 6243), (1365, 2081)]