27962487

素因数分解:

$3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:572

約数の個数: 36

約数和(自身を含む): 47394360

約数和(自身を除く): 19431873

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 163, 389, 441, 489, 1141, 1167, 1467, 2723, 3423, 3501, 7987, 8169, 10269, 19061, 23961, 24507, 57183, 63407, 71883, 171549, 190221, 443849, 570663, 1331547, 3106943, 3994641, 9320829, 27962487]

約数ペア:

[(1, 27962487), (3, 9320829), (7, 3994641), (9, 3106943), (21, 1331547), (49, 570663), (63, 443849), (147, 190221), (163, 171549), (389, 71883), (441, 63407), (489, 57183), (1141, 24507), (1167, 23961), (1467, 19061), (2723, 10269), (3423, 8169), (3501, 7987)]