84212289

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18311}}^1$

素因数の和:18397

約数の個数: 24

約数和(自身を含む): 140929152

約数和(自身を除く): 56716863

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 18311, 54933, 128177, 164799, 384531, 1153593, 1336703, 4010109, 9356921, 12030327, 28070763, 84212289]

約数ペア:

[(1, 84212289), (3, 28070763), (7, 12030327), (9, 9356921), (21, 4010109), (63, 1336703), (73, 1153593), (219, 384531), (511, 164799), (657, 128177), (1533, 54933), (4599, 18311)]