20120193

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 31606848

約数和(自身を除く): 11486655

約数列:

[1, 3, 9, 23, 37, 69, 71, 111, 207, 213, 333, 639, 851, 1369, 1633, 2553, 2627, 4107, 4899, 7659, 7881, 12321, 14697, 23643, 31487, 60421, 94461, 97199, 181263, 283383, 291597, 543789, 874791, 2235577, 6706731, 20120193]

約数ペア:

[(1, 20120193), (3, 6706731), (9, 2235577), (23, 874791), (37, 543789), (69, 291597), (71, 283383), (111, 181263), (207, 97199), (213, 94461), (333, 60421), (639, 31487), (851, 23643), (1369, 14697), (1633, 12321), (2553, 7881), (2627, 7659), (4107, 4899)]