28937187

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 42681600

約数和(自身を除く): 13744413

約数列:

[1, 3, 9, 107, 151, 199, 321, 453, 597, 963, 1359, 1791, 16157, 21293, 30049, 48471, 63879, 90147, 145413, 191637, 270441, 3215243, 9645729, 28937187]

約数ペア:

[(1, 28937187), (3, 9645729), (9, 3215243), (107, 270441), (151, 191637), (199, 145413), (321, 90147), (453, 63879), (597, 48471), (963, 30049), (1359, 21293), (1791, 16157)]