1320220863

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18713}}^1$

素因数の和:18805

約数の個数: 40

約数和(自身を含む): 2155703088

約数和(自身を除く): 835482225

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 117, 201, 351, 603, 871, 1053, 1809, 2613, 5427, 7839, 18713, 23517, 56139, 70551, 168417, 243269, 505251, 729807, 1253771, 1515753, 2189421, 3761313, 6568263, 11283939, 16299023, 19704789, 33851817, 48897069, 101555451, 146691207, 440073621, 1320220863]

約数ペア:

[(1, 1320220863), (3, 440073621), (9, 146691207), (13, 101555451), (27, 48897069), (39, 33851817), (67, 19704789), (81, 16299023), (117, 11283939), (201, 6568263), (351, 3761313), (603, 2189421), (871, 1515753), (1053, 1253771), (1809, 729807), (2613, 505251), (5427, 243269), (7839, 168417), (18713, 70551), (23517, 56139)]