260739

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 414960

約数和(自身を除く): 154221

約数列:

[1, 3, 9, 27, 29, 37, 81, 87, 111, 243, 261, 333, 783, 999, 1073, 2349, 2997, 3219, 7047, 8991, 9657, 28971, 86913, 260739]

約数ペア:

[(1, 260739), (3, 86913), (9, 28971), (27, 9657), (29, 8991), (37, 7047), (81, 3219), (87, 2997), (111, 2349), (243, 1073), (261, 999), (333, 783)]