156978

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 48

約数和(自身を含む): 393120

約数和(自身を除く): 236142

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 81, 102, 114, 153, 162, 171, 243, 306, 323, 342, 459, 486, 513, 646, 918, 969, 1026, 1377, 1539, 1938, 2754, 2907, 3078, 4131, 4617, 5814, 8262, 8721, 9234, 17442, 26163, 52326, 78489, 156978]

約数ペア:

[(1, 156978), (2, 78489), (3, 52326), (6, 26163), (9, 17442), (17, 9234), (18, 8721), (19, 8262), (27, 5814), (34, 4617), (38, 4131), (51, 3078), (54, 2907), (57, 2754), (81, 1938), (102, 1539), (114, 1377), (153, 1026), (162, 969), (171, 918), (243, 646), (306, 513), (323, 486), (342, 459)]