81895239

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2663}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 130429440

約数和(自身を除く): 48534201

約数列:

[1, 3, 9, 17, 27, 51, 67, 153, 201, 459, 603, 1139, 1809, 2663, 3417, 7989, 10251, 23967, 30753, 45271, 71901, 135813, 178421, 407439, 535263, 1222317, 1605789, 3033157, 4817367, 9099471, 27298413, 81895239]

約数ペア:

[(1, 81895239), (3, 27298413), (9, 9099471), (17, 4817367), (27, 3033157), (51, 1605789), (67, 1222317), (153, 535263), (201, 407439), (459, 178421), (603, 135813), (1139, 71901), (1809, 45271), (2663, 30753), (3417, 23967), (7989, 10251)]