180561879

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 289729440

約数和(自身を除く): 109167561

約数列:

[1, 3, 9, 17, 27, 51, 81, 109, 153, 243, 327, 401, 459, 981, 1203, 1377, 1853, 2943, 3609, 4131, 5559, 6817, 8829, 10827, 16677, 20451, 26487, 32481, 43709, 50031, 61353, 97443, 131127, 150093, 184059, 393381, 450279, 552177, 743053, 1180143, 1656531, 2229159, 3540429, 6687477, 10621287, 20062431, 60187293, 180561879]

約数ペア:

[(1, 180561879), (3, 60187293), (9, 20062431), (17, 10621287), (27, 6687477), (51, 3540429), (81, 2229159), (109, 1656531), (153, 1180143), (243, 743053), (327, 552177), (401, 450279), (459, 393381), (981, 184059), (1203, 150093), (1377, 131127), (1853, 97443), (2943, 61353), (3609, 50031), (4131, 43709), (5559, 32481), (6817, 26487), (8829, 20451), (10827, 16677)]