81350045

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{10711}}^1$

素因数の和:10761

約数の個数: 24

約数和(自身を含む): 117232128

約数和(自身を除く): 35882083

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 7595, 10711, 53555, 74977, 332041, 374885, 524839, 1660205, 2324287, 2624195, 11621435, 16270009, 81350045]

約数ペア:

[(1, 81350045), (5, 16270009), (7, 11621435), (31, 2624195), (35, 2324287), (49, 1660205), (155, 524839), (217, 374885), (245, 332041), (1085, 74977), (1519, 53555), (7595, 10711)]