77819819

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{1163}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 99079680

約数和(自身を除く): 21259861

約数列:

[1, 7, 11, 77, 79, 121, 553, 847, 869, 1163, 6083, 8141, 9559, 12793, 66913, 89551, 91877, 140723, 643139, 985061, 1010647, 7074529, 11117117, 77819819]

約数ペア:

[(1, 77819819), (7, 11117117), (11, 7074529), (77, 1010647), (79, 985061), (121, 643139), (553, 140723), (847, 91877), (869, 89551), (1163, 66913), (6083, 12793), (8141, 9559)]