68890605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1289}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 126316800

約数和(自身を除く): 57426195

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 509, 1289, 1527, 2545, 3563, 3867, 6445, 7635, 9023, 10689, 17815, 19335, 27069, 45115, 53445, 135345, 656101, 1968303, 3280505, 4592707, 9841515, 13778121, 22963535, 68890605]

約数ペア:

[(1, 68890605), (3, 22963535), (5, 13778121), (7, 9841515), (15, 4592707), (21, 3280505), (35, 1968303), (105, 656101), (509, 135345), (1289, 53445), (1527, 45115), (2545, 27069), (3563, 19335), (3867, 17815), (6445, 10689), (7635, 9023)]