81320019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5639}}^1$

素因数の和:5695

約数の個数: 32

約数和(自身を含む): 129945600

約数和(自身を除く): 48625581

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 4807, 5639, 14421, 16917, 62029, 107141, 129697, 186087, 321423, 389091, 1178551, 1426667, 2464243, 3535653, 4280001, 7392729, 27106673, 81320019]

約数ペア:

[(1, 81320019), (3, 27106673), (11, 7392729), (19, 4280001), (23, 3535653), (33, 2464243), (57, 1426667), (69, 1178551), (209, 389091), (253, 321423), (437, 186087), (627, 129697), (759, 107141), (1311, 62029), (4807, 16917), (5639, 14421)]