2863791

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 4777344

約数和(自身を除く): 1913553

約数列:

[1, 3, 7, 9, 21, 63, 131, 347, 393, 917, 1041, 1179, 2429, 2751, 3123, 7287, 8253, 21861, 45457, 136371, 318199, 409113, 954597, 2863791]

約数ペア:

[(1, 2863791), (3, 954597), (7, 409113), (9, 318199), (21, 136371), (63, 45457), (131, 21861), (347, 8253), (393, 7287), (917, 3123), (1041, 2751), (1179, 2429)]