81179553

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2887}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 134557696

約数和(自身を除く): 53378143

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 2163, 2887, 4017, 8661, 9373, 20209, 28119, 37531, 60627, 112593, 262717, 297361, 788151, 892083, 2081527, 3865693, 6244581, 11597079, 27059851, 81179553]

約数ペア:

[(1, 81179553), (3, 27059851), (7, 11597079), (13, 6244581), (21, 3865693), (39, 2081527), (91, 892083), (103, 788151), (273, 297361), (309, 262717), (721, 112593), (1339, 60627), (2163, 37531), (2887, 28119), (4017, 20209), (8661, 9373)]