81013527

素因数分解:

$3^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 140404992

約数和(自身を除く): 59391465

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 243, 291, 491, 567, 679, 873, 1473, 1701, 2037, 2619, 3437, 4419, 6111, 7857, 10311, 13257, 18333, 23571, 30933, 39771, 47627, 54999, 92799, 119313, 142881, 164997, 278397, 333389, 428643, 835191, 1000167, 1285929, 3000501, 3857787, 9001503, 11573361, 27004509, 81013527]

約数ペア:

[(1, 81013527), (3, 27004509), (7, 11573361), (9, 9001503), (21, 3857787), (27, 3000501), (63, 1285929), (81, 1000167), (97, 835191), (189, 428643), (243, 333389), (291, 278397), (491, 164997), (567, 142881), (679, 119313), (873, 92799), (1473, 54999), (1701, 47627), (2037, 39771), (2619, 30933), (3437, 23571), (4419, 18333), (6111, 13257), (7857, 10311)]