278804949

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1\times {\mathrm{1523}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 375513600

約数和(自身を除く): 96708651

約数列:

[1, 3, 139, 417, 439, 1317, 1523, 4569, 61021, 183063, 211697, 635091, 668597, 2005791, 92934983, 278804949]

約数ペア:

[(1, 278804949), (3, 92934983), (139, 2005791), (417, 668597), (439, 635091), (1317, 211697), (1523, 183063), (4569, 61021)]