71437491

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1752

約数の個数: 32

約数和(自身を含む): 111288320

約数和(自身を除く): 39850829

約数列:

[1, 3, 9, 27, 37, 43, 111, 129, 333, 387, 999, 1161, 1591, 1663, 4773, 4989, 14319, 14967, 42957, 44901, 61531, 71509, 184593, 214527, 553779, 643581, 1661337, 1930743, 2645833, 7937499, 23812497, 71437491]

約数ペア:

[(1, 71437491), (3, 23812497), (9, 7937499), (27, 2645833), (37, 1930743), (43, 1661337), (111, 643581), (129, 553779), (333, 214527), (387, 184593), (999, 71509), (1161, 61531), (1591, 44901), (1663, 42957), (4773, 14967), (4989, 14319)]