16643961

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{3877}}^1$

素因数の和:3942

約数の個数: 20

約数和(自身を含む): 25338852

約数和(自身を除く): 8694891

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 3877, 4293, 11631, 34893, 104679, 205481, 314037, 616443, 1849329, 5547987, 16643961]

約数ペア:

[(1, 16643961), (3, 5547987), (9, 1849329), (27, 616443), (53, 314037), (81, 205481), (159, 104679), (477, 34893), (1431, 11631), (3877, 4293)]