2840383

素因数分解:

$7^5\times {\mathrm{13}}^2$

素因数の和:61

約数の個数: 18

約数和(自身を含む): 3588264

約数和(自身を除く): 747881

約数列:

[1, 7, 13, 49, 91, 169, 343, 637, 1183, 2401, 4459, 8281, 16807, 31213, 57967, 218491, 405769, 2840383]

約数ペア:

[(1, 2840383), (7, 405769), (13, 218491), (49, 57967), (91, 31213), (169, 16807), (343, 8281), (637, 4459), (1183, 2401)]