289754817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1301}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 447721344

約数和(自身を除く): 157966527

約数列:

[1, 3, 11, 17, 33, 51, 187, 397, 561, 1191, 1301, 3903, 4367, 6749, 13101, 14311, 20247, 22117, 42933, 66351, 74239, 222717, 243287, 516497, 729861, 1549491, 5681467, 8780449, 17044401, 26341347, 96584939, 289754817]

約数ペア:

[(1, 289754817), (3, 96584939), (11, 26341347), (17, 17044401), (33, 8780449), (51, 5681467), (187, 1549491), (397, 729861), (561, 516497), (1191, 243287), (1301, 222717), (3903, 74239), (4367, 66351), (6749, 42933), (13101, 22117), (14311, 20247)]