220881885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{1493}}^1$

素因数の和:2917

約数の個数: 32

約数和(自身を含む): 404455680

約数和(自身を除く): 183573795

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1409, 1493, 4227, 4479, 7045, 7465, 9863, 10451, 21135, 22395, 29589, 31353, 49315, 52255, 147945, 156765, 2103637, 6310911, 10518185, 14725459, 31554555, 44176377, 73627295, 220881885]

約数ペア:

[(1, 220881885), (3, 73627295), (5, 44176377), (7, 31554555), (15, 14725459), (21, 10518185), (35, 6310911), (105, 2103637), (1409, 156765), (1493, 147945), (4227, 52255), (4479, 49315), (7045, 31353), (7465, 29589), (9863, 22395), (10451, 21135)]