25550073

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 40293000

約数和(自身を除く): 14742927

約数列:

[1, 3, 9, 27, 29, 73, 81, 87, 149, 219, 261, 447, 657, 783, 1341, 1971, 2117, 2349, 4023, 4321, 5913, 6351, 10877, 12069, 12963, 19053, 32631, 38889, 57159, 97893, 116667, 171477, 293679, 315433, 350001, 881037, 946299, 2838897, 8516691, 25550073]

約数ペア:

[(1, 25550073), (3, 8516691), (9, 2838897), (27, 946299), (29, 881037), (73, 350001), (81, 315433), (87, 293679), (149, 171477), (219, 116667), (261, 97893), (447, 57159), (657, 38889), (783, 32631), (1341, 19053), (1971, 12963), (2117, 12069), (2349, 10877), (4023, 6351), (4321, 5913)]