1228365

素因数分解:

$3^6\times 5^1\times {\mathrm{337}}^1$

素因数の和:360

約数の個数: 28

約数和(自身を含む): 2216604

約数和(自身を除く): 988239

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 337, 405, 729, 1011, 1215, 1685, 3033, 3645, 5055, 9099, 15165, 27297, 45495, 81891, 136485, 245673, 409455, 1228365]

約数ペア:

[(1, 1228365), (3, 409455), (5, 245673), (9, 136485), (15, 81891), (27, 45495), (45, 27297), (81, 15165), (135, 9099), (243, 5055), (337, 3645), (405, 3033), (729, 1685), (1011, 1215)]