81577188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29429}}^1$

素因数の和:29457

約数の個数: 72

約数和(自身を含む): 257100480

約数和(自身を除く): 175523292

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 29429, 58858, 88287, 117716, 176574, 206003, 264861, 323719, 353148, 412006, 529722, 618009, 647438, 824012, 971157, 1059444, 1236018, 1294876, 1854027, 1942314, 2266033, 2472036, 2913471, 3708054, 3884628, 4532066, 5826942, 6798099, 7416108, 9064132, 11653884, 13596198, 20394297, 27192396, 40788594, 81577188]

約数ペア:

[(1, 81577188), (2, 40788594), (3, 27192396), (4, 20394297), (6, 13596198), (7, 11653884), (9, 9064132), (11, 7416108), (12, 6798099), (14, 5826942), (18, 4532066), (21, 3884628), (22, 3708054), (28, 2913471), (33, 2472036), (36, 2266033), (42, 1942314), (44, 1854027), (63, 1294876), (66, 1236018), (77, 1059444), (84, 971157), (99, 824012), (126, 647438), (132, 618009), (154, 529722), (198, 412006), (231, 353148), (252, 323719), (308, 264861), (396, 206003), (462, 176574), (693, 117716), (924, 88287), (1386, 58858), (2772, 29429)]