213408365595

素因数分解:

$3^1\times 5^1\times {\mathrm{79979}}^1\times {\mathrm{177887}}^1$

素因数の和:257874

約数の個数: 16

約数和(自身を含む): 341459573760

約数和(自身を除く): 128051208165

約数列:

[1, 3, 5, 15, 79979, 177887, 239937, 399895, 533661, 889435, 1199685, 2668305, 14227224373, 42681673119, 71136121865, 213408365595]

約数ペア:

[(1, 213408365595), (3, 71136121865), (5, 42681673119), (15, 14227224373), (79979, 2668305), (177887, 1199685), (239937, 889435), (399895, 533661)]