891215039

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 1070931456

約数和(自身を除く): 179716417

約数列:

[1, 11, 13, 67, 143, 167, 557, 737, 871, 1837, 2171, 6127, 7241, 9581, 11189, 23881, 37319, 79651, 93019, 123079, 145457, 410509, 485147, 1023209, 1209247, 1600027, 5336617, 6232273, 13301717, 68555003, 81019549, 891215039]

約数ペア:

[(1, 891215039), (11, 81019549), (13, 68555003), (67, 13301717), (143, 6232273), (167, 5336617), (557, 1600027), (737, 1209247), (871, 1023209), (1837, 485147), (2171, 410509), (6127, 145457), (7241, 123079), (9581, 93019), (11189, 79651), (23881, 37319)]