81257724

素因数分解:

$2^2\times 3^2\times {\mathrm{271}}^1\times {\mathrm{8329}}^1$

素因数の和:8610

約数の個数: 36

約数和(自身を含む): 206184160

約数和(自身を除く): 124926436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 271, 542, 813, 1084, 1626, 2439, 3252, 4878, 8329, 9756, 16658, 24987, 33316, 49974, 74961, 99948, 149922, 299844, 2257159, 4514318, 6771477, 9028636, 13542954, 20314431, 27085908, 40628862, 81257724]

約数ペア:

[(1, 81257724), (2, 40628862), (3, 27085908), (4, 20314431), (6, 13542954), (9, 9028636), (12, 6771477), (18, 4514318), (36, 2257159), (271, 299844), (542, 149922), (813, 99948), (1084, 74961), (1626, 49974), (2439, 33316), (3252, 24987), (4878, 16658), (8329, 9756)]