31216641

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 46096128

約数和(自身を除く): 14879487

約数列:

[1, 3, 17, 37, 51, 71, 111, 213, 233, 629, 699, 1207, 1887, 2627, 3621, 3961, 7881, 8621, 11883, 16543, 25863, 44659, 49629, 133977, 146557, 281231, 439671, 612091, 843693, 1836273, 10405547, 31216641]

約数ペア:

[(1, 31216641), (3, 10405547), (17, 1836273), (37, 843693), (51, 612091), (71, 439671), (111, 281231), (213, 146557), (233, 133977), (629, 49629), (699, 44659), (1207, 25863), (1887, 16543), (2627, 11883), (3621, 8621), (3961, 7881)]