20090217

素因数分解:

$3^1\times 7^1\times {\mathrm{937}}^1\times {\mathrm{1021}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 30676352

約数和(自身を除く): 10586135

約数列:

[1, 3, 7, 21, 937, 1021, 2811, 3063, 6559, 7147, 19677, 21441, 956677, 2870031, 6696739, 20090217]

約数ペア:

[(1, 20090217), (3, 6696739), (7, 2870031), (21, 956677), (937, 21441), (1021, 19677), (2811, 7147), (3063, 6559)]