16657719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{991}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 23998464

約数和(自身を除く): 7340745

約数列:

[1, 3, 13, 39, 431, 991, 1293, 2973, 5603, 12883, 16809, 38649, 427121, 1281363, 5552573, 16657719]

約数ペア:

[(1, 16657719), (3, 5552573), (13, 1281363), (39, 427121), (431, 38649), (991, 16809), (1293, 12883), (2973, 5603)]