81431505

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{30671}}^1$

素因数の和:30741

約数の個数: 24

約数和(自身を含む): 143544960

約数和(自身を除く): 62113455

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 30671, 92013, 153355, 276039, 460065, 1380195, 1809589, 5428767, 9047945, 16286301, 27143835, 81431505]

約数ペア:

[(1, 81431505), (3, 27143835), (5, 16286301), (9, 9047945), (15, 5428767), (45, 1809589), (59, 1380195), (177, 460065), (295, 276039), (531, 153355), (885, 92013), (2655, 30671)]