2561565

素因数分解:

$3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 4118400

約数和(自身を除く): 1556835

約数列:

[1, 3, 5, 15, 389, 439, 1167, 1317, 1945, 2195, 5835, 6585, 170771, 512313, 853855, 2561565]

約数ペア:

[(1, 2561565), (3, 853855), (5, 512313), (15, 170771), (389, 6585), (439, 5835), (1167, 2195), (1317, 1945)]