31987779

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8747}}^1$

素因数の和:8826

約数の個数: 16

約数和(自身を含む): 45349632

約数和(自身を除く): 13361853

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 8747, 26241, 201181, 463591, 603543, 1390773, 10662593, 31987779]

約数ペア:

[(1, 31987779), (3, 10662593), (23, 1390773), (53, 603543), (69, 463591), (159, 201181), (1219, 26241), (3657, 8747)]