66917571

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 106288128

約数和(自身を除く): 39370557

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1213, 1491, 2627, 3639, 7881, 8491, 18389, 25473, 44881, 55167, 86123, 134643, 258369, 314167, 602861, 942501, 1808583, 3186551, 9559653, 22305857, 66917571]

約数ペア:

[(1, 66917571), (3, 22305857), (7, 9559653), (21, 3186551), (37, 1808583), (71, 942501), (111, 602861), (213, 314167), (259, 258369), (497, 134643), (777, 86123), (1213, 55167), (1491, 44881), (2627, 25473), (3639, 18389), (7881, 8491)]