981558

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 40

約数和(自身を含む): 2256408

約数和(自身を除く): 1274850

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 83, 146, 162, 166, 219, 249, 438, 498, 657, 747, 1314, 1494, 1971, 2241, 3942, 4482, 5913, 6059, 6723, 11826, 12118, 13446, 18177, 36354, 54531, 109062, 163593, 327186, 490779, 981558]

約数ペア:

[(1, 981558), (2, 490779), (3, 327186), (6, 163593), (9, 109062), (18, 54531), (27, 36354), (54, 18177), (73, 13446), (81, 12118), (83, 11826), (146, 6723), (162, 6059), (166, 5913), (219, 4482), (249, 3942), (438, 2241), (498, 1971), (657, 1494), (747, 1314)]