291280947

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 413876736

約数和(自身を除く): 122595789

約数列:

[1, 3, 23, 69, 83, 181, 249, 281, 543, 843, 1909, 4163, 5727, 6463, 12489, 15023, 19389, 23323, 45069, 50861, 69969, 152583, 345529, 536429, 1036587, 1169803, 1609287, 3509409, 4221463, 12664389, 97093649, 291280947]

約数ペア:

[(1, 291280947), (3, 97093649), (23, 12664389), (69, 4221463), (83, 3509409), (181, 1609287), (249, 1169803), (281, 1036587), (543, 536429), (843, 345529), (1909, 152583), (4163, 69969), (5727, 50861), (6463, 45069), (12489, 23323), (15023, 19389)]