31547243

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 9482389

約数列:

[1, 7, 13, 31, 53, 91, 211, 217, 371, 403, 689, 1477, 1643, 2743, 2821, 4823, 6541, 11183, 11501, 19201, 21359, 45787, 78281, 85033, 145379, 149513, 346673, 595231, 1017653, 2426711, 4506749, 31547243]

約数ペア:

[(1, 31547243), (7, 4506749), (13, 2426711), (31, 1017653), (53, 595231), (91, 346673), (211, 149513), (217, 145379), (371, 85033), (403, 78281), (689, 45787), (1477, 21359), (1643, 19201), (2743, 11501), (2821, 11183), (4823, 6541)]