258565527

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1101

約数の個数: 40

約数和(自身を含む): 422932752

約数和(自身を除く): 164367225

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 521, 557, 891, 1563, 1671, 4689, 5013, 5731, 6127, 14067, 15039, 17193, 18381, 42201, 45117, 51579, 55143, 154737, 165429, 290197, 464211, 496287, 870591, 2611773, 3192167, 7835319, 9576501, 23505957, 28729503, 86188509, 258565527]

約数ペア:

[(1, 258565527), (3, 86188509), (9, 28729503), (11, 23505957), (27, 9576501), (33, 7835319), (81, 3192167), (99, 2611773), (297, 870591), (521, 496287), (557, 464211), (891, 290197), (1563, 165429), (1671, 154737), (4689, 55143), (5013, 51579), (5731, 45117), (6127, 42201), (14067, 18381), (15039, 17193)]