721000423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{20921}}^1$

素因数の和:21186

約数の個数: 16

約数和(自身を含む): 850604832

約数和(自身を除く): 129604409

約数列:

[1, 11, 13, 143, 241, 2651, 3133, 20921, 34463, 230131, 271973, 2991703, 5041961, 55461571, 65545493, 721000423]

約数ペア:

[(1, 721000423), (11, 65545493), (13, 55461571), (143, 5041961), (241, 2991703), (2651, 271973), (3133, 230131), (20921, 34463)]