81006939

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 133428960

約数和(自身を除く): 52422021

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 169, 351, 369, 433, 507, 533, 1107, 1299, 1521, 1599, 3897, 4563, 4797, 5629, 6929, 11691, 14391, 16887, 17753, 20787, 50661, 53259, 62361, 73177, 151983, 159777, 187083, 219531, 230789, 479331, 658593, 692367, 1975779, 2077101, 3000257, 6231303, 9000771, 27002313, 81006939]

約数ペア:

[(1, 81006939), (3, 27002313), (9, 9000771), (13, 6231303), (27, 3000257), (39, 2077101), (41, 1975779), (117, 692367), (123, 658593), (169, 479331), (351, 230789), (369, 219531), (433, 187083), (507, 159777), (533, 151983), (1107, 73177), (1299, 62361), (1521, 53259), (1599, 50661), (3897, 20787), (4563, 17753), (4797, 16887), (5629, 14391), (6929, 11691)]