2009403459

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{1721}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 3404104704

約数和(自身を除く): 1394701245

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 431, 903, 1293, 1721, 2709, 3017, 3879, 5163, 9051, 12047, 15489, 18533, 27153, 36141, 55599, 74003, 108423, 129731, 166797, 222009, 389193, 518021, 666027, 741751, 1167579, 1554063, 2225253, 4662189, 5192257, 6675759, 15576771, 31895293, 46730313, 95685879, 223267051, 287057637, 669801153, 2009403459]

約数ペア:

[(1, 2009403459), (3, 669801153), (7, 287057637), (9, 223267051), (21, 95685879), (43, 46730313), (63, 31895293), (129, 15576771), (301, 6675759), (387, 5192257), (431, 4662189), (903, 2225253), (1293, 1554063), (1721, 1167579), (2709, 741751), (3017, 666027), (3879, 518021), (5163, 389193), (9051, 222009), (12047, 166797), (15489, 129731), (18533, 108423), (27153, 74003), (36141, 55599)]