81031428

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{13163}}^1$

素因数の和:13198

約数の個数: 60

約数和(自身を含む): 222998160

約数和(自身を除く): 141966732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 6156, 13163, 26326, 39489, 52652, 78978, 118467, 157956, 236934, 250097, 355401, 473868, 500194, 710802, 750291, 1000388, 1066203, 1421604, 1500582, 2132406, 2250873, 3001164, 4264812, 4501746, 6752619, 9003492, 13505238, 20257857, 27010476, 40515714, 81031428]

約数ペア:

[(1, 81031428), (2, 40515714), (3, 27010476), (4, 20257857), (6, 13505238), (9, 9003492), (12, 6752619), (18, 4501746), (19, 4264812), (27, 3001164), (36, 2250873), (38, 2132406), (54, 1500582), (57, 1421604), (76, 1066203), (81, 1000388), (108, 750291), (114, 710802), (162, 500194), (171, 473868), (228, 355401), (324, 250097), (342, 236934), (513, 157956), (684, 118467), (1026, 78978), (1539, 52652), (2052, 39489), (3078, 26326), (6156, 13163)]