2978829

素因数分解:

$3^3\times 7^1\times {\mathrm{15761}}^1$

素因数の和:15777

約数の個数: 16

約数和(自身を含む): 5043840

約数和(自身を除く): 2065011

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 15761, 47283, 110327, 141849, 330981, 425547, 992943, 2978829]

約数ペア:

[(1, 2978829), (3, 992943), (7, 425547), (9, 330981), (21, 141849), (27, 110327), (63, 47283), (189, 15761)]