20130903

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 32551680

約数和(自身を除く): 12420777

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 691, 747, 1079, 2073, 2241, 3237, 6219, 8983, 9711, 18657, 26949, 29133, 57353, 80847, 172059, 242541, 516177, 745589, 1548531, 2236767, 6710301, 20130903]

約数ペア:

[(1, 20130903), (3, 6710301), (9, 2236767), (13, 1548531), (27, 745589), (39, 516177), (83, 242541), (117, 172059), (249, 80847), (351, 57353), (691, 29133), (747, 26949), (1079, 18657), (2073, 9711), (2241, 8983), (3237, 6219)]