2521899

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 3942432

約数和(自身を除く): 1420533

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 311, 477, 901, 933, 2703, 2799, 5287, 8109, 15861, 16483, 47583, 49449, 148347, 280211, 840633, 2521899]

約数ペア:

[(1, 2521899), (3, 840633), (9, 280211), (17, 148347), (51, 49449), (53, 47583), (153, 16483), (159, 15861), (311, 8109), (477, 5287), (901, 2799), (933, 2703)]