16697745

素因数分解:

$3^8\times 5^1\times {\mathrm{509}}^1$

素因数の和:538

約数の個数: 36

約数和(自身を含む): 30113460

約数和(自身を除く): 13415715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 509, 729, 1215, 1527, 2187, 2545, 3645, 4581, 6561, 7635, 10935, 13743, 22905, 32805, 41229, 68715, 123687, 206145, 371061, 618435, 1113183, 1855305, 3339549, 5565915, 16697745]

約数ペア:

[(1, 16697745), (3, 5565915), (5, 3339549), (9, 1855305), (15, 1113183), (27, 618435), (45, 371061), (81, 206145), (135, 123687), (243, 68715), (405, 41229), (509, 32805), (729, 22905), (1215, 13743), (1527, 10935), (2187, 7635), (2545, 6561), (3645, 4581)]