2040749991

素因数分解:

$3^3\times 7^2\times {\mathrm{1542517}}^1$

素因数の和:1542540

約数の個数: 24

約数和(自身を含む): 3516941040

約数和(自身を除く): 1476191049

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1542517, 4627551, 10797619, 13882653, 32392857, 41647959, 75583333, 97178571, 226749999, 291535713, 680249997, 2040749991]

約数ペア:

[(1, 2040749991), (3, 680249997), (7, 291535713), (9, 226749999), (21, 97178571), (27, 75583333), (49, 41647959), (63, 32392857), (147, 13882653), (189, 10797619), (441, 4627551), (1323, 1542517)]