81447695

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 116146176

約数和(自身を除く): 34698481

約数列:

[1, 5, 7, 31, 35, 155, 217, 271, 277, 1085, 1355, 1385, 1897, 1939, 8401, 8587, 9485, 9695, 42005, 42935, 58807, 60109, 75067, 294035, 300545, 375335, 525469, 2327077, 2627345, 11635385, 16289539, 81447695]

約数ペア:

[(1, 81447695), (5, 16289539), (7, 11635385), (31, 2627345), (35, 2327077), (155, 525469), (217, 375335), (271, 300545), (277, 294035), (1085, 75067), (1355, 60109), (1385, 58807), (1897, 42935), (1939, 42005), (8401, 9695), (8587, 9485)]