201809619

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28711}}^1$

素因数の和:28799

約数の個数: 24

約数和(自身を含む): 322493184

約数和(自身を除く): 120683565

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 28711, 86133, 258399, 315821, 947463, 2038481, 2842389, 6115443, 18346329, 22423291, 67269873, 201809619]

約数ペア:

[(1, 201809619), (3, 67269873), (9, 22423291), (11, 18346329), (33, 6115443), (71, 2842389), (99, 2038481), (213, 947463), (639, 315821), (781, 258399), (2343, 86133), (7029, 28711)]