19970901

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5399}}^1$

素因数の和:5545

約数の個数: 16

約数和(自身を含む): 29808000

約数和(自身を除く): 9837099

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5399, 16197, 48591, 145773, 739663, 2218989, 6656967, 19970901]

約数ペア:

[(1, 19970901), (3, 6656967), (9, 2218989), (27, 739663), (137, 145773), (411, 48591), (1233, 16197), (3699, 5399)]