72173961

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 106142400

約数和(自身を除く): 33968439

約数列:

[1, 3, 9, 107, 149, 321, 447, 503, 963, 1341, 1509, 4527, 15943, 47829, 53821, 74947, 143487, 161463, 224841, 484389, 674523, 8019329, 24057987, 72173961]

約数ペア:

[(1, 72173961), (3, 24057987), (9, 8019329), (107, 674523), (149, 484389), (321, 224841), (447, 161463), (503, 143487), (963, 74947), (1341, 53821), (1509, 47829), (4527, 15943)]