18146997

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 56

約数和(自身を含む): 31058688

約数和(自身を除く): 12911691

約数列:

[1, 3, 9, 11, 27, 31, 33, 73, 81, 93, 99, 219, 243, 279, 297, 341, 657, 729, 803, 837, 891, 1023, 1971, 2263, 2409, 2511, 2673, 3069, 5913, 6789, 7227, 7533, 8019, 9207, 17739, 20367, 21681, 22599, 24893, 27621, 53217, 61101, 65043, 74679, 82863, 183303, 195129, 224037, 248589, 549909, 585387, 672111, 1649727, 2016333, 6048999, 18146997]

約数ペア:

[(1, 18146997), (3, 6048999), (9, 2016333), (11, 1649727), (27, 672111), (31, 585387), (33, 549909), (73, 248589), (81, 224037), (93, 195129), (99, 183303), (219, 82863), (243, 74679), (279, 65043), (297, 61101), (341, 53217), (657, 27621), (729, 24893), (803, 22599), (837, 21681), (891, 20367), (1023, 17739), (1971, 9207), (2263, 8019), (2409, 7533), (2511, 7227), (2673, 6789), (3069, 5913)]