27816255

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 22222305

約数列:

[1, 3, 5, 9, 15, 45, 53, 107, 109, 159, 265, 321, 327, 477, 535, 545, 795, 963, 981, 1605, 1635, 2385, 4815, 4905, 5671, 5777, 11663, 17013, 17331, 28355, 28885, 34989, 51039, 51993, 58315, 85065, 86655, 104967, 174945, 255195, 259965, 524835, 618139, 1854417, 3090695, 5563251, 9272085, 27816255]

約数ペア:

[(1, 27816255), (3, 9272085), (5, 5563251), (9, 3090695), (15, 1854417), (45, 618139), (53, 524835), (107, 259965), (109, 255195), (159, 174945), (265, 104967), (321, 86655), (327, 85065), (477, 58315), (535, 51993), (545, 51039), (795, 34989), (963, 28885), (981, 28355), (1605, 17331), (1635, 17013), (2385, 11663), (4815, 5777), (4905, 5671)]