259968987

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3217}}^1$

素因数の和:3340

約数の個数: 32

約数和(自身を含む): 400061760

約数和(自身を除く): 140092773

約数列:

[1, 3, 9, 27, 41, 73, 123, 219, 369, 657, 1107, 1971, 2993, 3217, 8979, 9651, 26937, 28953, 80811, 86859, 131897, 234841, 395691, 704523, 1187073, 2113569, 3561219, 6340707, 9628481, 28885443, 86656329, 259968987]

約数ペア:

[(1, 259968987), (3, 86656329), (9, 28885443), (27, 9628481), (41, 6340707), (73, 3561219), (123, 2113569), (219, 1187073), (369, 704523), (657, 395691), (1107, 234841), (1971, 131897), (2993, 86859), (3217, 80811), (8979, 28953), (9651, 26937)]