66942421

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 84115584

約数和(自身を除く): 17173163

約数列:

[1, 7, 13, 71, 91, 169, 497, 797, 923, 1183, 5579, 6461, 10361, 11999, 56587, 72527, 83993, 134693, 396109, 735631, 942851, 5149417, 9563203, 66942421]

約数ペア:

[(1, 66942421), (7, 9563203), (13, 5149417), (71, 942851), (91, 735631), (169, 396109), (497, 134693), (797, 83993), (923, 72527), (1183, 56587), (5579, 11999), (6461, 10361)]