24987879

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 20170521

約数列:

[1, 3, 7, 9, 21, 27, 29, 47, 63, 87, 97, 141, 189, 203, 261, 291, 329, 423, 609, 679, 783, 873, 987, 1269, 1363, 1827, 2037, 2619, 2813, 2961, 4089, 4559, 5481, 6111, 8439, 8883, 9541, 12267, 13677, 18333, 19691, 25317, 28623, 31913, 36801, 41031, 59073, 75951, 85869, 95739, 123093, 132211, 177219, 257607, 287217, 396633, 531657, 861651, 925477, 1189899, 2776431, 3569697, 8329293, 24987879]

約数ペア:

[(1, 24987879), (3, 8329293), (7, 3569697), (9, 2776431), (21, 1189899), (27, 925477), (29, 861651), (47, 531657), (63, 396633), (87, 287217), (97, 257607), (141, 177219), (189, 132211), (203, 123093), (261, 95739), (291, 85869), (329, 75951), (423, 59073), (609, 41031), (679, 36801), (783, 31913), (873, 28623), (987, 25317), (1269, 19691), (1363, 18333), (1827, 13677), (2037, 12267), (2619, 9541), (2813, 8883), (2961, 8439), (4089, 6111), (4559, 5481)]