71819805

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{165103}}^1$

素因数の和:165140

約数の個数: 16

約数和(自身を含む): 118874880

約数和(自身を除く): 47055075

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 165103, 495309, 825515, 2476545, 4787987, 14363961, 23939935, 71819805]

約数ペア:

[(1, 71819805), (3, 23939935), (5, 14363961), (15, 4787987), (29, 2476545), (87, 825515), (145, 495309), (435, 165103)]