217658799

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 327444480

約数和(自身を除く): 109785681

約数列:

[1, 3, 9, 27, 151, 197, 271, 453, 591, 813, 1359, 1773, 2439, 4077, 5319, 7317, 29747, 40921, 53387, 89241, 122763, 160161, 267723, 368289, 480483, 803169, 1104867, 1441449, 8061437, 24184311, 72552933, 217658799]

約数ペア:

[(1, 217658799), (3, 72552933), (9, 24184311), (27, 8061437), (151, 1441449), (197, 1104867), (271, 803169), (453, 480483), (591, 368289), (813, 267723), (1359, 160161), (1773, 122763), (2439, 89241), (4077, 53387), (5319, 40921), (7317, 29747)]