245816271

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 371380464

約数和(自身を除く): 125564193

約数列:

[1, 3, 9, 37, 71, 111, 213, 281, 333, 639, 843, 1369, 2529, 2627, 4107, 7881, 10397, 12321, 19951, 23643, 31191, 59853, 93573, 97199, 179559, 291597, 384689, 738187, 874791, 1154067, 2214561, 3462201, 6643683, 27312919, 81938757, 245816271]

約数ペア:

[(1, 245816271), (3, 81938757), (9, 27312919), (37, 6643683), (71, 3462201), (111, 2214561), (213, 1154067), (281, 874791), (333, 738187), (639, 384689), (843, 291597), (1369, 179559), (2529, 97199), (2627, 93573), (4107, 59853), (7881, 31191), (10397, 23643), (12321, 19951)]