217070007

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{85427}}^1$

素因数の和:85459

約数の個数: 24

約数和(自身を含む): 363581568

約数和(自身を除く): 146511561

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 85427, 256281, 597989, 939697, 1793967, 2819091, 6577879, 10336667, 19733637, 31010001, 72356669, 217070007]

約数ペア:

[(1, 217070007), (3, 72356669), (7, 31010001), (11, 19733637), (21, 10336667), (33, 6577879), (77, 2819091), (121, 1793967), (231, 939697), (363, 597989), (847, 256281), (2541, 85427)]