27181605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 47703168

約数和(自身を除く): 20521563

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 257, 641, 771, 1285, 1923, 2827, 3205, 3855, 7051, 8481, 9615, 14135, 21153, 35255, 42405, 105765, 164737, 494211, 823685, 1812107, 2471055, 5436321, 9060535, 27181605]

約数ペア:

[(1, 27181605), (3, 9060535), (5, 5436321), (11, 2471055), (15, 1812107), (33, 823685), (55, 494211), (165, 164737), (257, 105765), (641, 42405), (771, 35255), (1285, 21153), (1923, 14135), (2827, 9615), (3205, 8481), (3855, 7051)]