81836559

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41903}}^1$

素因数の和:41947

約数の個数: 24

約数和(自身を含む): 139456512

約数和(自身を除く): 57619953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 41903, 125709, 293321, 377127, 879963, 1298993, 2639889, 3896979, 9092951, 11690937, 27278853, 81836559]

約数ペア:

[(1, 81836559), (3, 27278853), (7, 11690937), (9, 9092951), (21, 3896979), (31, 2639889), (63, 1298993), (93, 879963), (217, 377127), (279, 293321), (651, 125709), (1953, 41903)]