81817956

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{673}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 226690464

約数和(自身を除く): 144872508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 307, 396, 614, 673, 921, 1228, 1346, 1842, 2019, 2692, 2763, 3377, 3684, 4038, 5526, 6057, 6754, 7403, 8076, 10131, 11052, 12114, 13508, 14806, 20262, 22209, 24228, 29612, 30393, 40524, 44418, 60786, 66627, 88836, 121572, 133254, 206611, 266508, 413222, 619833, 826444, 1239666, 1859499, 2272721, 2479332, 3718998, 4545442, 6818163, 7437996, 9090884, 13636326, 20454489, 27272652, 40908978, 81817956]

約数ペア:

[(1, 81817956), (2, 40908978), (3, 27272652), (4, 20454489), (6, 13636326), (9, 9090884), (11, 7437996), (12, 6818163), (18, 4545442), (22, 3718998), (33, 2479332), (36, 2272721), (44, 1859499), (66, 1239666), (99, 826444), (132, 619833), (198, 413222), (307, 266508), (396, 206611), (614, 133254), (673, 121572), (921, 88836), (1228, 66627), (1346, 60786), (1842, 44418), (2019, 40524), (2692, 30393), (2763, 29612), (3377, 24228), (3684, 22209), (4038, 20262), (5526, 14806), (6057, 13508), (6754, 12114), (7403, 11052), (8076, 10131)]