81360391

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1494

約数の個数: 16

約数和(自身を含む): 95109120

約数和(自身を除く): 13748729

約数列:

[1, 7, 71, 127, 497, 889, 1289, 9017, 9023, 63119, 91519, 163703, 640633, 1145921, 11622913, 81360391]

約数ペア:

[(1, 81360391), (7, 11622913), (71, 1145921), (127, 640633), (497, 163703), (889, 91519), (1289, 63119), (9017, 9023)]