2800965

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 4769280

約数和(自身を除く): 1968315

約数列:

[1, 3, 5, 15, 29, 47, 87, 137, 141, 145, 235, 411, 435, 685, 705, 1363, 2055, 3973, 4089, 6439, 6815, 11919, 19317, 19865, 20445, 32195, 59595, 96585, 186731, 560193, 933655, 2800965]

約数ペア:

[(1, 2800965), (3, 933655), (5, 560193), (15, 186731), (29, 96585), (47, 59595), (87, 32195), (137, 20445), (141, 19865), (145, 19317), (235, 11919), (411, 6815), (435, 6439), (685, 4089), (705, 3973), (1363, 2055)]