16531209

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{1607}}^1$

素因数の和:1746

約数の個数: 20

約数和(自身を含む): 24904704

約数和(自身を除く): 8373495

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 1607, 3429, 4821, 10287, 14463, 43389, 130167, 204089, 612267, 1836801, 5510403, 16531209]

約数ペア:

[(1, 16531209), (3, 5510403), (9, 1836801), (27, 612267), (81, 204089), (127, 130167), (381, 43389), (1143, 14463), (1607, 10287), (3429, 4821)]