15856729

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 19065600

約数和(自身を除く): 3208871

約数列:

[1, 7, 23, 149, 161, 661, 1043, 3427, 4627, 15203, 23989, 98489, 106421, 689423, 2265247, 15856729]

約数ペア:

[(1, 15856729), (7, 2265247), (23, 689423), (149, 106421), (161, 98489), (661, 23989), (1043, 15203), (3427, 4627)]