80521539

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 127549440

約数和(自身を除く): 47027901

約数列:

[1, 3, 7, 21, 31, 93, 179, 217, 537, 651, 691, 1253, 2073, 3759, 4837, 5549, 14511, 16647, 21421, 38843, 64263, 116529, 123689, 149947, 371067, 449841, 865823, 2597469, 3834359, 11503077, 26840513, 80521539]

約数ペア:

[(1, 80521539), (3, 26840513), (7, 11503077), (21, 3834359), (31, 2597469), (93, 865823), (179, 449841), (217, 371067), (537, 149947), (651, 123689), (691, 116529), (1253, 64263), (2073, 38843), (3759, 21421), (4837, 16647), (5549, 14511)]