228748215

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 371540160

約数和(自身を除く): 142791945

約数列:

[1, 3, 5, 15, 137, 157, 411, 471, 685, 709, 785, 2055, 2127, 2355, 3545, 10635, 21509, 64527, 97133, 107545, 111313, 291399, 322635, 333939, 485665, 556565, 1456995, 1669695, 15249881, 45749643, 76249405, 228748215]

約数ペア:

[(1, 228748215), (3, 76249405), (5, 45749643), (15, 15249881), (137, 1669695), (157, 1456995), (411, 556565), (471, 485665), (685, 333939), (709, 322635), (785, 291399), (2055, 111313), (2127, 107545), (2355, 97133), (3545, 64527), (10635, 21509)]