81615996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29443}}^1$

素因数の和:29471

約数の個数: 72

約数和(自身を含む): 257222784

約数和(自身を除く): 175606788

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, 29443, 58886, 88329, 117772, 176658, 206101, 264987, 323873, 353316, 412202, 529974, 618303, 647746, 824404, 971619, 1059948, 1236606, 1295492, 1854909, 1943238, 2267111, 2473212, 2914857, 3709818, 3886476, 4534222, 5829714, 6801333, 7419636, 9068444, 11659428, 13602666, 20403999, 27205332, 40807998, 81615996]

約数ペア:

[(1, 81615996), (2, 40807998), (3, 27205332), (4, 20403999), (6, 13602666), (7, 11659428), (9, 9068444), (11, 7419636), (12, 6801333), (14, 5829714), (18, 4534222), (21, 3886476), (22, 3709818), (28, 2914857), (33, 2473212), (36, 2267111), (42, 1943238), (44, 1854909), (63, 1295492), (66, 1236606), (77, 1059948), (84, 971619), (99, 824404), (126, 647746), (132, 618303), (154, 529974), (198, 412202), (231, 353316), (252, 323873), (308, 264987), (396, 206101), (462, 176658), (693, 117772), (924, 88329), (1386, 58886), (2772, 29443)]