1293886293

素因数分解:

$3^1\times 7^1\times {\mathrm{15217}}^1\times {\mathrm{4049}}^1$

素因数の和:19276

約数の個数: 16

約数和(自身を含む): 1972252800

約数和(自身を除く): 678366507

約数列:

[1, 3, 7, 21, 4049, 12147, 15217, 28343, 45651, 85029, 106519, 319557, 61613633, 184840899, 431295431, 1293886293]

約数ペア:

[(1, 1293886293), (3, 431295431), (7, 184840899), (21, 61613633), (4049, 319557), (12147, 106519), (15217, 85029), (28343, 45651)]