2129979

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 3015680

約数和(自身を除く): 885701

約数列:

[1, 3, 31, 37, 93, 111, 619, 1147, 1857, 3441, 19189, 22903, 57567, 68709, 709993, 2129979]

約数ペア:

[(1, 2129979), (3, 709993), (31, 68709), (37, 57567), (93, 22903), (111, 19189), (619, 3441), (1147, 1857)]