251937621

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3571}}^1$

素因数の和:3663

約数の個数: 40

約数和(自身を含む): 411465824

約数和(自身を除く): 159528203

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 117, 201, 351, 603, 871, 1053, 1809, 2613, 3571, 5427, 7839, 10713, 23517, 32139, 46423, 70551, 96417, 139269, 239257, 289251, 417807, 717771, 1253421, 2153313, 3110341, 3760263, 6459939, 9331023, 19379817, 27993069, 83979207, 251937621]

約数ペア:

[(1, 251937621), (3, 83979207), (9, 27993069), (13, 19379817), (27, 9331023), (39, 6459939), (67, 3760263), (81, 3110341), (117, 2153313), (201, 1253421), (351, 717771), (603, 417807), (871, 289251), (1053, 239257), (1809, 139269), (2613, 96417), (3571, 70551), (5427, 46423), (7839, 32139), (10713, 23517)]