25171641

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 56

約数和(自身を含む): 42705696

約数和(自身を除く): 17534055

約数列:

[1, 3, 9, 11, 27, 33, 43, 73, 81, 99, 129, 219, 243, 297, 387, 473, 657, 729, 803, 891, 1161, 1419, 1971, 2409, 2673, 3139, 3483, 4257, 5913, 7227, 8019, 9417, 10449, 12771, 17739, 21681, 28251, 31347, 34529, 38313, 53217, 65043, 84753, 103587, 114939, 195129, 254259, 310761, 344817, 585387, 762777, 932283, 2288331, 2796849, 8390547, 25171641]

約数ペア:

[(1, 25171641), (3, 8390547), (9, 2796849), (11, 2288331), (27, 932283), (33, 762777), (43, 585387), (73, 344817), (81, 310761), (99, 254259), (129, 195129), (219, 114939), (243, 103587), (297, 84753), (387, 65043), (473, 53217), (657, 38313), (729, 34529), (803, 31347), (891, 28251), (1161, 21681), (1419, 17739), (1971, 12771), (2409, 10449), (2673, 9417), (3139, 8019), (3483, 7227), (4257, 5913)]