161791399

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{2851}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 206347904

約数和(自身を除く): 44556505

約数列:

[1, 7, 11, 67, 77, 121, 469, 737, 847, 2851, 5159, 8107, 19957, 31361, 56749, 191017, 219527, 344971, 1337119, 2101187, 2414797, 14708309, 23113057, 161791399]

約数ペア:

[(1, 161791399), (7, 23113057), (11, 14708309), (67, 2414797), (77, 2101187), (121, 1337119), (469, 344971), (737, 219527), (847, 191017), (2851, 56749), (5159, 31361), (8107, 19957)]