16938987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 26671680

約数和(自身を除く): 9732693

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 881, 1131, 1479, 2643, 6409, 11453, 14977, 19227, 25549, 34359, 44931, 76647, 194701, 332137, 434333, 584103, 996411, 1302999, 5646329, 16938987]

約数ペア:

[(1, 16938987), (3, 5646329), (13, 1302999), (17, 996411), (29, 584103), (39, 434333), (51, 332137), (87, 194701), (221, 76647), (377, 44931), (493, 34359), (663, 25549), (881, 19227), (1131, 14977), (1479, 11453), (2643, 6409)]