16201701

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1590

約数の個数: 20

約数和(自身を含む): 24393600

約数和(自身を除く): 8191899

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1439, 3753, 4317, 11259, 12951, 38853, 116559, 200021, 600063, 1800189, 5400567, 16201701]

約数ペア:

[(1, 16201701), (3, 5400567), (9, 1800189), (27, 600063), (81, 200021), (139, 116559), (417, 38853), (1251, 12951), (1439, 11259), (3753, 4317)]