201738681

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{108287}}^1$

素因数の和:108322

約数の個数: 20

約数和(自身を含む): 314468352

約数和(自身を除く): 112729671

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 108287, 324861, 974583, 2490601, 2923749, 7471803, 8771247, 22415409, 67246227, 201738681]

約数ペア:

[(1, 201738681), (3, 67246227), (9, 22415409), (23, 8771247), (27, 7471803), (69, 2923749), (81, 2490601), (207, 974583), (621, 324861), (1863, 108287)]