82171971

素因数分解:

$3^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:888

約数の個数: 36

約数和(自身を含む): 138715200

約数和(自身を除く): 56543229

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 389, 441, 479, 1167, 1437, 2723, 3353, 3501, 4311, 8169, 10059, 19061, 23471, 24507, 30177, 57183, 70413, 171549, 186331, 211239, 558993, 1304317, 1676979, 3912951, 9130219, 11738853, 27390657, 82171971]

約数ペア:

[(1, 82171971), (3, 27390657), (7, 11738853), (9, 9130219), (21, 3912951), (49, 1676979), (63, 1304317), (147, 558993), (389, 211239), (441, 186331), (479, 171549), (1167, 70413), (1437, 57183), (2723, 30177), (3353, 24507), (3501, 23471), (4311, 19061), (8169, 10059)]