81891105

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{15643}}^1$

素因数の和:16000

約数の個数: 16

約数和(自身を含む): 131409600

約数和(自身を除く): 49518495

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 5235, 15643, 46929, 78215, 234645, 5459407, 16378221, 27297035, 81891105]

約数ペア:

[(1, 81891105), (3, 27297035), (5, 16378221), (15, 5459407), (349, 234645), (1047, 78215), (1745, 46929), (5235, 15643)]