636701997

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 893781504

約数和(自身を除く): 257079507

約数列:

[1, 3, 41, 47, 123, 141, 241, 457, 723, 1371, 1927, 5781, 9881, 11327, 18737, 21479, 29643, 33981, 56211, 64437, 110137, 330411, 464407, 880639, 1393221, 2641917, 4515617, 5176439, 13546851, 15529317, 212233999, 636701997]

約数ペア:

[(1, 636701997), (3, 212233999), (41, 15529317), (47, 13546851), (123, 5176439), (141, 4515617), (241, 2641917), (457, 1393221), (723, 880639), (1371, 464407), (1927, 330411), (5781, 110137), (9881, 64437), (11327, 56211), (18737, 33981), (21479, 29643)]