25428243

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 36447040

約数和(自身を除く): 11018797

約数列:

[1, 3, 17, 51, 139, 211, 289, 417, 633, 867, 2363, 3587, 7089, 10761, 29329, 40171, 60979, 87987, 120513, 182937, 498593, 1495779, 8476081, 25428243]

約数ペア:

[(1, 25428243), (3, 8476081), (17, 1495779), (51, 498593), (139, 182937), (211, 120513), (289, 87987), (417, 60979), (633, 40171), (867, 29329), (2363, 10761), (3587, 7089)]