81893777

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29921}}^1$

素因数の和:29968

約数の個数: 16

約数和(自身を含む): 103410432

約数和(自身を除く): 21516655

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 29921, 209447, 508657, 688183, 3560599, 4817281, 11699111, 81893777]

約数ペア:

[(1, 81893777), (7, 11699111), (17, 4817281), (23, 3560599), (119, 688183), (161, 508657), (391, 209447), (2737, 29921)]