201225681

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5591}}^1$

素因数の和:5674

約数の個数: 32

約数和(自身を含む): 314941440

約数和(自身を除く): 113715759

約数列:

[1, 3, 9, 27, 31, 43, 93, 129, 279, 387, 837, 1161, 1333, 3999, 5591, 11997, 16773, 35991, 50319, 150957, 173321, 240413, 519963, 721239, 1559889, 2163717, 4679667, 6491151, 7452803, 22358409, 67075227, 201225681]

約数ペア:

[(1, 201225681), (3, 67075227), (9, 22358409), (27, 7452803), (31, 6491151), (43, 4679667), (93, 2163717), (129, 1559889), (279, 721239), (387, 519963), (837, 240413), (1161, 173321), (1333, 150957), (3999, 50319), (5591, 35991), (11997, 16773)]