208113705

素因数分解:

$3^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 376818624

約数和(自身を除く): 168704919

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 157, 243, 405, 471, 785, 1091, 1215, 1413, 2355, 3273, 4239, 5455, 7065, 9819, 12717, 16365, 21195, 29457, 38151, 49095, 63585, 88371, 147285, 171287, 190755, 265113, 441855, 513861, 856435, 1325565, 1541583, 2569305, 4624749, 7707915, 13874247, 23123745, 41622741, 69371235, 208113705]

約数ペア:

[(1, 208113705), (3, 69371235), (5, 41622741), (9, 23123745), (15, 13874247), (27, 7707915), (45, 4624749), (81, 2569305), (135, 1541583), (157, 1325565), (243, 856435), (405, 513861), (471, 441855), (785, 265113), (1091, 190755), (1215, 171287), (1413, 147285), (2355, 88371), (3273, 63585), (4239, 49095), (5455, 38151), (7065, 29457), (9819, 21195), (12717, 16365)]