81899019

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{9109}}^1$

素因数の和:9161

約数の個数: 24

約数和(自身を含む): 126009520

約数和(自身を除く): 44110501

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997, 8991, 9109, 27327, 81981, 245943, 337033, 737829, 1011099, 2213487, 3033297, 9099891, 27299673, 81899019]

約数ペア:

[(1, 81899019), (3, 27299673), (9, 9099891), (27, 3033297), (37, 2213487), (81, 1011099), (111, 737829), (243, 337033), (333, 245943), (999, 81981), (2997, 27327), (8991, 9109)]