81867519

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 120362112

約数和(自身を除く): 38494593

約数列:

[1, 3, 9, 107, 151, 321, 453, 563, 963, 1359, 1689, 5067, 16157, 48471, 60241, 85013, 145413, 180723, 255039, 542169, 765117, 9096391, 27289173, 81867519]

約数ペア:

[(1, 81867519), (3, 27289173), (9, 9096391), (107, 765117), (151, 542169), (321, 255039), (453, 180723), (563, 145413), (963, 85013), (1359, 60241), (1689, 48471), (5067, 16157)]