217271805

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{140629}}^1$

素因数の和:140740

約数の個数: 16

約数和(自身を含む): 351012480

約数和(自身を除く): 133740675

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 140629, 421887, 703145, 2109435, 14484787, 43454361, 72423935, 217271805]

約数ペア:

[(1, 217271805), (3, 72423935), (5, 43454361), (15, 14484787), (103, 2109435), (309, 703145), (515, 421887), (1545, 140629)]