81479196

素因数分解:

$2^2\times 3^4\times {\mathrm{193}}^1\times {\mathrm{1303}}^1$

素因数の和:1512

約数の個数: 60

約数和(自身を含む): 214270672

約数和(自身を除く): 132791476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 193, 324, 386, 579, 772, 1158, 1303, 1737, 2316, 2606, 3474, 3909, 5211, 5212, 6948, 7818, 10422, 11727, 15633, 15636, 20844, 23454, 31266, 35181, 46908, 62532, 70362, 105543, 140724, 211086, 251479, 422172, 502958, 754437, 1005916, 1508874, 2263311, 3017748, 4526622, 6789933, 9053244, 13579866, 20369799, 27159732, 40739598, 81479196]

約数ペア:

[(1, 81479196), (2, 40739598), (3, 27159732), (4, 20369799), (6, 13579866), (9, 9053244), (12, 6789933), (18, 4526622), (27, 3017748), (36, 2263311), (54, 1508874), (81, 1005916), (108, 754437), (162, 502958), (193, 422172), (324, 251479), (386, 211086), (579, 140724), (772, 105543), (1158, 70362), (1303, 62532), (1737, 46908), (2316, 35181), (2606, 31266), (3474, 23454), (3909, 20844), (5211, 15636), (5212, 15633), (6948, 11727), (7818, 10422)]