5281731

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6449}}^1$

素因数の和:6475

約数の個数: 24

約数和(自身を含む): 9391200

約数和(自身を除く): 4109469

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 6449, 19347, 45143, 58041, 83837, 135429, 251511, 406287, 586859, 754533, 1760577, 5281731]

約数ペア:

[(1, 5281731), (3, 1760577), (7, 754533), (9, 586859), (13, 406287), (21, 251511), (39, 135429), (63, 83837), (91, 58041), (117, 45143), (273, 19347), (819, 6449)]