178140951

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:773

約数の個数: 40

約数和(自身を含む): 275926464

約数和(自身を除く): 97785513

約数列:

[1, 3, 9, 27, 47, 73, 81, 141, 219, 423, 641, 657, 1269, 1923, 1971, 3431, 3807, 5769, 5913, 10293, 17307, 30127, 30879, 46793, 51921, 90381, 92637, 140379, 271143, 277911, 421137, 813429, 1263411, 2199271, 2440287, 3790233, 6597813, 19793439, 59380317, 178140951]

約数ペア:

[(1, 178140951), (3, 59380317), (9, 19793439), (27, 6597813), (47, 3790233), (73, 2440287), (81, 2199271), (141, 1263411), (219, 813429), (423, 421137), (641, 277911), (657, 271143), (1269, 140379), (1923, 92637), (1971, 90381), (3431, 51921), (3807, 46793), (5769, 30879), (5913, 30127), (10293, 17307)]