25664391

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 39960000

約数和(自身を除く): 14295609

約数列:

[1, 3, 9, 27, 29, 73, 87, 219, 261, 449, 657, 783, 1347, 1971, 2117, 4041, 6351, 12123, 13021, 19053, 32777, 39063, 57159, 98331, 117189, 294993, 351567, 884979, 950533, 2851599, 8554797, 25664391]

約数ペア:

[(1, 25664391), (3, 8554797), (9, 2851599), (27, 950533), (29, 884979), (73, 351567), (87, 294993), (219, 117189), (261, 98331), (449, 57159), (657, 39063), (783, 32777), (1347, 19053), (1971, 13021), (2117, 12123), (4041, 6351)]