71031897

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 40

約数和(自身を含む): 110407176

約数和(自身を除く): 39375279

約数列:

[1, 3, 9, 27, 37, 81, 111, 137, 173, 333, 411, 519, 999, 1233, 1557, 2997, 3699, 4671, 5069, 6401, 11097, 14013, 15207, 19203, 23701, 45621, 57609, 71103, 136863, 172827, 213309, 410589, 518481, 639927, 876937, 1919781, 2630811, 7892433, 23677299, 71031897]

約数ペア:

[(1, 71031897), (3, 23677299), (9, 7892433), (27, 2630811), (37, 1919781), (81, 876937), (111, 639927), (137, 518481), (173, 410589), (333, 213309), (411, 172827), (519, 136863), (999, 71103), (1233, 57609), (1557, 45621), (2997, 23701), (3699, 19203), (4671, 15207), (5069, 14013), (6401, 11097)]