291211521

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{17117}}^1$

素因数の和:17280

約数の個数: 16

約数和(自身を含む): 399328704

約数和(自身を除く): 108117183

約数列:

[1, 3, 53, 107, 159, 321, 5671, 17013, 17117, 51351, 907201, 1831519, 2721603, 5494557, 97070507, 291211521]

約数ペア:

[(1, 291211521), (3, 97070507), (53, 5494557), (107, 2721603), (159, 1831519), (321, 907201), (5671, 51351), (17013, 17117)]