157658553

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{18979}}^1$

素因数の和:19069

約数の個数: 24

約数和(自身を含む): 248713920

約数和(自身を除く): 91055367

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 18979, 56937, 170811, 246727, 740181, 1347509, 2220543, 4042527, 12127581, 17517617, 52552851, 157658553]

約数ペア:

[(1, 157658553), (3, 52552851), (9, 17517617), (13, 12127581), (39, 4042527), (71, 2220543), (117, 1347509), (213, 740181), (639, 246727), (923, 170811), (2769, 56937), (8307, 18979)]